nginx-site: text/en/CHANGES-0.5 comparison

comparison text/en/CHANGES-0.5 @ 0:61e04fc01027

Initial import of the nginx.org website.

author	Ruslan Ermilov <ru@nginx.com>
date	Thu, 11 Aug 2011 12:19:13 +0000
parents
children

comparison

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+Changes with nginx 0.5.38                                        14 Sep 2009
+*) Security: a segmentation fault might occur in worker process while
+specially crafted request handling.
+Thanks to Chris Ries.
+*) Bugfix: a segmentation fault might occur in worker process, if
+error_log was set to info or debug level.
+Thanks to Sergey Bochenkov.
+Changes with nginx 0.5.37                                        07 Jul 2008
+*) Bugfix: if sub_filter and SSI were used together, then responses
+might were transferred incorrectly.
+*) Bugfix: large SSI inclusions might be truncated.
+*) Bugfix: worker processes might not catch reconfiguration and log
+rotation signals.
+*) Bugfix: nginx could not be built on latest Fedora 9 Linux.
+Thanks to Roxis.
+*) Bugfix: a segmentation fault might occur in worker process on Linux,
+if keepalive was enabled.
+*) Bugfix: an alert "sendmsg() failed (9: Bad file descriptor)" on some
+64-bit platforms while reconfiguration.
+Changes with nginx 0.5.36                                        04 May 2008
+*) Bugfix: the "sub_filter" directive might set text to change into
+output.
+*) Bugfix: a segmentation fault occurred in worker process, if empty
+stub block was used second time in SSI.
+*) Bugfix: the "proxy_store" and "fastcgi_store" directives did not
+check a response length.
+*) Bugfix: nginx issued the bogus error message "SSL_shutdown() failed
+(SSL: )"; the bug had appeared in 0.5.35.
+*) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
+error; the bug had appeared in 0.5.35.
+*) Bugfix: the "fastcgi_catch_stderr" directive did return error code;
+now it returns 502 code, that can be rerouted to a next server using
+the "fastcgi_next_upstream invalid_header" directive.
+*) Bugfix: a segmentation fault occurred in master process if the
+"fastcgi_catch_stderr" directive was used; the bug had appeared in
+0.5.32.
+Thanks to Manlio Perillo.
+Changes with nginx 0.5.35                                        08 Jan 2008
+*) Change: now the ngx_http_userid_module adds start time microseconds
+to the cookie field contains a pid value.
+*) Change: now the uname(2) is used on Linux instead of procfs.
+Thanks to Ilya Novikov.
+*) Feature: the "If-Range" request header line support.
+Thanks to Alexander V. Inyukhin.
+*) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
+error; the bug had appeared in 0.5.13.
+*) Bugfix: the STARTTLS in SMTP mode did not work.
+Thanks to Oleg Motienko.
+*) Bugfix: large_client_header_buffers did not freed before going to
+keep-alive state.
+Thanks to Olexander Shtepa.
+*) Bugfix: the "limit_rate" directive did not allow to use full
+throughput, even if limit value was very high.
+*) Bugfix: the $status variable was equal to 0 if a proxied server
+returned response in HTTP/0.9 version.
+*) Bugfix: if the "?" character was in a "error_page" directive, then
+it was escaped in a proxied request; the bug had appeared in 0.5.32.
+Changes with nginx 0.5.34                                        13 Dec 2007
+*) Change: now the full request line instead of URI only is written to
+error_log.
+*) Feature: Cygwin compatibility.
+Thanks to Vladimir Kutakov.
+*) Feature: the "merge_slashes" directive.
+*) Feature: the "gzip_vary" directive.
+*) Feature: the "server_tokens" directive.
+*) Feature: the "access_log" directive may be used inside the
+"limit_except" block.
+*) Bugfix: if the $server_protocol was used in FastCGI parameters and a
+request line length was near to the "client_header_buffer_size"
+directive value, then nginx issued an alert "fastcgi: the request
+record is too big".
+*) Bugfix: if a plain text HTTP/0.9 version request was made to HTTPS
+server, then nginx returned usual response.
+*) Bugfix: URL double escaping in a redirect of the "msie_refresh"
+directive; the bug had appeared in 0.5.28.
+*) Bugfix: a segmentation fault might occur in worker process if
+subrequests were used.
+*) Bugfix: the big responses may be transferred truncated if SSL and
+gzip were used.
+*) Bugfix: compatibility with mget.
+*) Bugfix: nginx did not unescape URI in the "include" SSI command.
+*) Bugfix: the segmentation fault was occurred on start or while
+reconfiguration if variable was used in the "charset" or
+"source_charset" directives.
+*) Bugfix: nginx returned the 400 response on requests like
+"GET http://www.domain.com HTTP/1.0".
+Thanks to James Oakley.
+*) Bugfix: a segmentation fault occurred in worker process if
+$date_local and $date_gmt were used outside the
+ngx_http_ssi_filter_module.
+*) Bugfix: a segmentation fault might occur in worker process if debug
+log was enabled.
+Thanks to Andrei Nigmatulin.
+*) Bugfix: ngx_http_memcached_module did not set
+$upstream_response_time.
+Thanks to Maxim Dounin.
+*) Bugfix: a worker process may got caught in an endless loop, if the
+memcached was used.
+Changes with nginx 0.5.33                                        07 Nov 2007
+*) Change: now by default the "echo" SSI command uses entity encoding.
+*) Feature: the "encoding" parameter in the "echo" SSI command.
+*) Change: mail proxy was split on three modules: pop3, imap and smtp.
+*) Feature: the --without-mail_pop3_module, --without-mail_imap_module,
+and --without-mail_smtp_module configuration parameters.
+*) Feature: the "smtp_greeting_delay" and "smtp_client_buffer"
+directives of the ngx_mail_smtp_module.
+*) Feature: the "server_name" and "valid_referers" directives support
+regular expressions.
+*) Feature: the "server_name", "map", and "valid_referers" directives
+support the "www.example.*" wildcards.
+*) Bugfix: sub_filter did not work with empty substitution.
+*) Bugfix: in sub_filter parsing.
+*) Bugfix: a worker process may got caught in an endless loop, if the
+memcached was used.
+*) Bugfix: nginx supported low case only "close" and "keep-alive"
+values in the "Connection" request header line; the bug had appeared
+in 0.5.32.
+*) Bugfix: nginx could not start on Solaris if the shared PCRE library
+located in non-standard place was used.
+Changes with nginx 0.5.32                                        24 Sep 2007
+*) Change: now nginx tries to set the "worker_priority",
+"worker_rlimit_nofile", "worker_rlimit_core", and
+"worker_rlimit_sigpending" without super-user privileges.
+*) Change: now nginx escapes space and "%" in request to a mail proxy
+authentication server.
+*) Change: now nginx escapes "%" in $memcached_key variable.
+*) Change: the special make target "upgrade1" was defined for online
+upgrade of 0.1.x versions.
+*) Feature: the "add_header Last-Modified ..." directive changes the
+"Last-Modified" response header line.
+*) Feature: the mail proxy supports AUTHENTICATE in IMAP mode.
+Thanks to Maxim Dounin.
+*) Feature: the mail proxy supports STARTTLS in SMTP mode.
+Thanks to Maxim Dounin.
+*) Bugfix: nginx did not close directory file on HEAD request if
+autoindex was used.
+Thanks to Arkadiusz Patyk.
+*) Bugfix: the "proxy_hide_header" and "fastcgi_hide_header" directives
+did not hide response header lines whose name was longer than 32
+characters.
+Thanks to Manlio Perillo.
+*) Bugfix: active connection counter always increased if mail proxy was
+used.
+*) Bugfix: if backend returned response header only using non-buffered
+proxy, then nginx closed backend connection on timeout.
+*) Bugfix: nginx did not support several "Connection" request header
+lines.
+*) Bugfix: a charset set by the "charset" directive was not appended to
+the "Content-Type" header set by $r->send_http_header().
+*) Bugfix: a segmentation fault might occur in worker process if
+/dev/poll method was used.
+*) Bugfix: nginx did not work on FreeBSD/sparc64.
+*) Bugfix: a segmentation fault occurred in worker process if invalid
+address was set in the "auth_http" directive.
+*) Bugfix: now nginx uses default listen backlog value 511 on all
+platforms except FreeBSD.
+Thanks to Jiang Hong.
+*) Bugfix: now Solaris sendfilev() is not used to transfer the client
+request body to FastCGI-server via the unix domain socket.
+*) Bugfix: if the same host without specified port was used as backend
+for HTTP and HTTPS, then nginx used only one port - 80 or 443.
+*) Bugfix: the "proxy_ignore_client_abort" and
+"fastcgi_ignore_client_abort" directives did not work; the bug had
+appeared in 0.5.13.
+Changes with nginx 0.5.31                                        15 Aug 2007
+*) Feature: named locations.
+*) Feature: the "proxy_store" and "fastcgi_store" directives.
+*) Feature: the "proxy_store_access" and "fastcgi_store_access"
+directives.
+Changes with nginx 0.5.30                                        30 Jul 2007
+*) Feature: the $args variable can be set with the "set" directive.
+*) Feature: the $is_args variable.
+*) Bugfix: if a client has closed connection to mail proxy then nginx
+might not close connection to backend.
+*) Bugfix: now nginx escapes space in $memcached_key variable.
+*) Bugfix: a segmentation fault might occur in worker process when the
+HTTPS protocol was used in the "proxy_pass" directive.
+*) Bugfix: the perl $$ variable value in ngx_http_perl_module was equal
+to the master process identification number.
+*) Bugfix: fix building on Solaris/amd64 by Sun Studio 11 and early
+versions; the bug had appeared in 0.5.29.
+Changes with nginx 0.5.29                                        23 Jul 2007
+*) Feature: $nginx_version variable.
+Thanks to Nick S. Grechukh.
+*) Bugfix: if the FastCGI header was split in records, then nginx
+passed garbage in the header to a client.
+*) Bugfix: Sun Studio compatibility on Solaris/amd64 and
+Solaris/sparc64.
+Thanks to Jiang Hong and Andrei Nigmatulin.
+*) Bugfix: of minor potential bugs.
+Thanks to Coverity's Scan.
+Changes with nginx 0.5.28                                        17 Jul 2007
+*) Security: the "msie_refresh" directive allowed XSS.
+Thanks to Maxim Boguk.
+*) Bugfix: a segmentation fault might occur in worker process if the
+"auth_http_header" directive was used.
+Thanks to Maxim Dounin.
+*) Bugfix: a segmentation fault occurred in worker process if the
+CRAM-MD5 authentication method was used, but it was not enabled.
+*) Bugfix: a segmentation fault might occur in worker process if the
+eventport method was used.
+Changes with nginx 0.5.27                                        09 Jul 2007
+*) Bugfix: if remote SSI subrequest was used, then posterior local file
+subrequest might transferred to client in wrong order.
+*) Bugfix: large SSI inclusions buffered in temporary files were
+truncated.
+Changes with nginx 0.5.26                                        17 Jun 2007
+*) Bugfix: in SSI parsing.
+Changes with nginx 0.5.25                                        11 Jun 2007
+*) Bugfix: nginx could not be built with the
+--without-http_rewrite_module parameter; the bug had appeared in
+0.5.24.
+Changes with nginx 0.5.24                                        06 Jun 2007
+*) Security: the "ssl_verify_client" directive did not work if request
+was made using HTTP/0.9.
+*) Bugfix: a part of response body might be passed uncompressed if gzip
+was used; the bug had appeared in 0.5.23.
+Changes with nginx 0.5.23                                        04 Jun 2007
+*) Feature: the ngx_http_ssl_module supports Server Name Indication TLS
+extension.
+*) Feature: the "fastcgi_catch_stderr" directive.
+Thanks to Nick S. Grechukh, OWOX project.
+*) Bugfix: a segmentation fault occurred in master process if two
+virtual servers should bind() to the overlapping ports.
+*) Bugfix: if nginx was built with ngx_http_perl_module and perl
+supported threads, then during second reconfiguration the error
+messages "panic: MUTEX_LOCK" and "perl_parse() failed" were issued.
+*) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
+Changes with nginx 0.5.22                                        29 May 2007
+*) Bugfix: a big request body might not be passed to backend; the bug
+had appeared in 0.5.21.
+Changes with nginx 0.5.21                                        28 May 2007
+*) Bugfix: if server has more than about ten locations, then regex
+locations might be choosen not in that order as they were specified.
+*) Bugfix: a worker process may got caught in an endless loop on 64-bit
+platform, if the 33-rd or next in succession backend has failed.
+Thanks to Anton Povarov.
+*) Bugfix: a bus error might occur on Solaris/sparc64 if the PCRE
+library was used.
+Thanks to Andrei Nigmatulin.
+*) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
+Changes with nginx 0.5.20                                        07 May 2007
+*) Feature: the "sendfile_max_chunk" directive.
+*) Feature: the "$http_...", "$sent_http_...", and "$upstream_http_..."
+variables may be changed using the "set" directive.
+*) Bugfix: a segmentation fault might occur in worker process if the
+SSI command 'if expr="$var = /"' was used.
+*) Bugfix: trailing boundary of multipart range response was
+transferred incorrectly.
+Thanks to Evan Miller.
+*) Bugfix: nginx did not work on Solaris/sparc64 if it was built by Sun
+Studio.
+Thanks to Andrei Nigmatulin.
+*) Bugfix: the ngx_http_perl_module could not be built by Solaris
+make.
+Thanks to Andrei Nigmatulin.
+Changes with nginx 0.5.19                                        24 Apr 2007
+*) Change: now the $request_time variable has millisecond precision.
+*) Change: the method $r->rflush of ngx_http_perl_module was renamed to
+the $r->flush.
+*) Feature: the $upstream_addr variable.
+*) Feature: the "proxy_headers_hash_max_size" and
+"proxy_headers_hash_bucket_size" directives.
+Thanks to Volodymyr Kostyrko.
+*) Bugfix: the files more than 2G could not be transferred using
+sendfile and limit_rate on 64-bit platforms.
+*) Bugfix: the files more than 2G could not be transferred using
+sendfile on 64-bit Linux.
+Changes with nginx 0.5.18                                        19 Apr 2007
+*) Feature: the ngx_http_sub_filter_module.
+*) Feature: the "$upstream_http_..." variables.
+*) Feature: now the $upstream_status and $upstream_response_time
+variables keep data about all upstreams before X-Accel-Redirect.
+*) Bugfix: a segmentation fault occurred in master process after first
+reconfiguration and receiving any signal if nginx was built with
+ngx_http_perl_module and perl did not support multiplicity; the bug
+had appeared in 0.5.9.
+*) Bugfix: if perl did not support multiplicity, then after
+reconfiguration perl code did not work; the bug had appeared in
+0.3.38.
+Changes with nginx 0.5.17                                        02 Apr 2007
+*) Change: now nginx always returns the 405 status for the TRACE method.
+*) Feature: now nginx supports the "include" directive inside the
+"types" block.
+*) Bugfix: the $document_root variable usage in the "root" and "alias"
+directives is disabled: this caused recursive stack overflow.
+*) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
+*) Bugfix: in some cases non-cachable variables (such as $uri variable)
+returned old cached value.
+Changes with nginx 0.5.16                                        26 Mar 2007
+*) Bugfix: the C-class network was not used as hash key in the
+"ip_hash" directive.
+Thanks to Pavel Yarkovoy.
+*) Bugfix: a segmentation fault might occur in worker process if a
+charset was set in the "Content-Type" header line and the line has
+trailing ";"; the bug had appeared in 0.3.50.
+*) Bugfix: the "[alert] zero size buf" error when FastCGI server was
+used and a request body written in a temporary file was multiple of
+32K.
+*) Bugfix: nginx could not be built on Solaris without the --with-debug
+option; the bug had appeared in 0.5.15.
+Changes with nginx 0.5.15                                        19 Mar 2007
+*) Feature: the mail proxy supports authenticated SMTP proxying and the
+"smtp_auth", "smtp_capablities", and "xclient" directives.
+Thanks to Anton Yuzhaninov and Maxim Dounin.
+*) Feature: now the keep-alive connections are closed just after
+receiving the reconfiguration signal.
+*) Change: the "imap" and "auth" directives were renamed to the "mail"
+and "pop3_auth" directives.
+*) Bugfix: a segmentation fault occurred in worker process if the
+CRAM-MD5 authentication method was used and the APOP method was
+disabled.
+*) Bugfix: if the "starttls only" directive was used in POP3 protocol,
+then nginx allowed authentication without switching to the SSL mode.
+*) Bugfix: worker processes did not exit after reconfiguration and did
+not rotate logs if the eventport method was used.
+*) Bugfix: a worker process may got caught in an endless loop, if the
+"ip_hash" directive was used.
+*) Bugfix: now nginx does not log some alerts if eventport or /dev/poll
+methods are used.
+Changes with nginx 0.5.14                                        23 Feb 2007
+*) Bugfix: nginx ignored superfluous closing "}" in the end of
+configuration file.
+Changes with nginx 0.5.13                                        19 Feb 2007
+*) Feature: the COPY and MOVE methods.
+*) Bugfix: the ngx_http_realip_module set garbage for requests passed
+via keep-alive connection.
+*) Bugfix: nginx did not work on big-endian 64-bit Linux.
+Thanks to Andrei Nigmatulin.
+*) Bugfix: now when IMAP/POP3 proxy receives too long command it closes
+the connection right away, but not after timeout.
+*) Bugfix: if the "epoll" method was used and a client closed a
+connection prematurely, then nginx closed the connection after a
+send timeout only.
+*) Bugfix: nginx could not be built on platforms different from i386,
+amd64, sparc, and ppc; the bug had appeared in 0.5.8.
+Changes with nginx 0.5.12                                        12 Feb 2007
+*) Bugfix: nginx could not be built on platforms different from i386,
+amd64, sparc, and ppc; the bug had appeared in 0.5.8.
+*) Bugfix: a segmentation fault might occur in worker process if the
+temporary files were used while working with FastCGI server; the bug
+had appeared in 0.5.8.
+*) Bugfix: a segmentation fault might occur in worker process if the
+$fastcgi_script_name variable was logged.
+*) Bugfix: ngx_http_perl_module could not be built on Solaris.
+Changes with nginx 0.5.11                                        05 Feb 2007
+*) Feature: now configure detects system PCRE library in MacPorts.
+Thanks to Chris McGrath.
+*) Bugfix: the response was incorrect if several ranges were requested;
+the bug had appeared in 0.5.6.
+*) Bugfix: the "create_full_put_path" directive could not create the
+intermediate directories if no "dav_access" directive was set.
+Thanks to Evan Miller.
+*) Bugfix: the "0" response code might be logged in the access_log
+instead of the "400" and "408" error codes.
+*) Bugfix: a segmentation fault might occur in worker process if nginx
+was built with -O2 optimization.
+Changes with nginx 0.5.10                                        26 Jan 2007
+*) Bugfix: while online executable file upgrade the new master process
+did not inherit the listening sockets; the bug had appeared in 0.5.9.
+*) Bugfix: a segmentation fault might occur in worker process if nginx
+was built with -O2 optimization; the bug had appeared in 0.5.1.
+Changes with nginx 0.5.9                                         25 Jan 2007
+*) Change: now the ngx_http_memcached_module uses the $memcached_key
+variable value as a key.
+*) Feature: the $memcached_key variable.
+*) Feature: the "clean" parameter in the "client_body_in_file_only"
+directive.
+*) Feature: the "env" directive.
+*) Feature: the "sendfile" directive is available inside the "if" block.
+*) Feature: now on failure of the writing to access nginx logs a
+message to error_log, but not more often than once a minute.
+*) Bugfix: the "access_log off" directive did not always turn off the
+logging.
+Changes with nginx 0.5.8                                         19 Jan 2007
+*) Bugfix: a segmentation fault might occur if
+"client_body_in_file_only on" was used and a request body was small.
+*) Bugfix: a segmentation fault occurred if
+"client_body_in_file_only on" and "proxy_pass_request_body off" or
+"fastcgi_pass_request_body off" directives were used, and nginx
+switched to a next upstream.
+*) Bugfix: if the "proxy_buffering off" directive was used and a client
+connection was non-active, then the connection was closed after send
+timeout; the bug had appeared in 0.4.7.
+*) Bugfix: if the "epoll" method was used and a client closed a
+connection prematurely, then nginx closed the connection after a
+send timeout only.
+*) Bugfix: the "[alert] zero size buf" error when FastCGI server was
+used.
+*) Bugfixes in the "limit_zone" directive.
+Changes with nginx 0.5.7                                         15 Jan 2007
+*) Feature: the ssl_session_cache storage optimization.
+*) Bugfixes in the "ssl_session_cache" and "limit_zone" directives.
+*) Bugfix: the segmentation fault was occurred on start or while
+reconfiguration if the "ssl_session_cache" or "limit_zone"
+directives were used on 64-bit platforms.
+*) Bugfix: a segmentation fault occurred if the "add_before_body" or
+"add_after_body" directives were used and there was no
+"Content-Type" header line in response.
+*) Bugfix: the OpenSSL library was always built with the threads
+support.
+Thanks to Den Ivanov.
+*) Bugfix: the PCRE-6.5+ library and the icc compiler compatibility.
+Changes with nginx 0.5.6                                         09 Jan 2007
+*) Change: now the ngx_http_index_module ignores all methods except the
+GET, HEAD, and POST methods.
+*) Feature: the ngx_http_limit_zone_module.
+*) Feature: the $binary_remote_addr variable.
+*) Feature: the "ssl_session_cache" directives of the
+ngx_http_ssl_module and ngx_imap_ssl_module.
+*) Feature: the DELETE method supports recursive removal.
+*) Bugfix: the byte-ranges were transferred incorrectly if the
+$r->sendfile() was used.
+Changes with nginx 0.5.5                                         24 Dec 2006
+*) Change: the -v switch does not show compiler information any more.
+*) Feature: the -V switch.
+*) Feature: the "worker_rlimit_core" directive supports size in K, M,
+and G.
+*) Bugfix: the nginx.pm module now could be installed by an
+unprivileged user.
+*) Bugfix: a segmentation fault might occur if the $r->request_body or
+$r->request_body_file methods were used.
+*) Bugfix: the ppc platform specific bugs.
+Changes with nginx 0.5.4                                         15 Dec 2006
+*) Feature: the "perl" directive may be used inside the "limit_except"
+block.
+*) Bugfix: the ngx_http_dav_module required the "Date" request header
+line for the DELETE method.
+*) Bugfix: if one only parameter was used in the "dav_access"
+directive, then nginx might report about configuration error.
+*) Bugfix: a segmentation fault might occur if the $host variable was
+used; the bug had appeared in 0.4.14.
+Changes with nginx 0.5.3                                         13 Dec 2006
+*) Feature: the ngx_http_perl_module supports the $r->status,
+$r->log_error, and $r->sleep methods.
+*) Feature: the $r->variable method supports variables that do not
+exist in nginx configuration.
+*) Bugfix: the $r->has_request_body method did not work.
+Changes with nginx 0.5.2                                         11 Dec 2006
+*) Bugfix: if the "proxy_pass" directive used the name of the
+"upstream" block, then nginx tried to resolve the name; the bug had
+appeared in 0.5.1.
+Changes with nginx 0.5.1                                         11 Dec 2006
+*) Bugfix: the "post_action" directive might not run after a
+unsuccessful completion of a request.
+*) Workaround: for Eudora for Mac; the bug had appeared in 0.4.11.
+Thanks to Bron Gondwana.
+*) Bugfix: if the "upstream" name was used in the "fastcgi_pass", then
+the message "no port in upstream" was issued; the bug had appeared
+in 0.5.0.
+*) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the
+same servers but different ports, then these directives uses the
+first described port; the bug had appeared in 0.5.0.
+*) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the
+unix domain sockets, then these directives used first described
+socket; the bug had appeared in 0.5.0.
+*) Bugfix: ngx_http_auth_basic_module ignored the user if it was in the
+last line in the password file and there was no the carriage return,
+the line feed, or the ":" symbol after the password.
+*) Bugfix: the $upstream_response_time variable might be equal to
+"0.000", although response time was more than 1 millisecond.
+Changes with nginx 0.5.0                                         04 Dec 2006
+*) Change: the parameters in the "%name" form in the "log_format"
+directive are not supported anymore.
+*) Change: the "proxy_upstream_max_fails",
+"proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails",
+"fastcgi_upstream_fail_timeout", "memcached_upstream_max_fails", and
+"memcached_upstream_fail_timeout" directives are not supported
+anymore.
+*) Feature: the "server" directive in the "upstream" context supports
+the "max_fails", "fail_timeout", and "down" parameters.
+*) Feature: the "ip_hash" directive inside the "upstream" block.
+*) Feature: the WAIT status in the "Auth-Status" header line of the
+IMAP/POP3 proxy authentication server response.
+*) Bugfix: nginx could not be built on 64-bit platforms; the bug had
+appeared in 0.4.14.
+Changes with nginx 0.4.14                                        27 Nov 2006
+*) Feature: the "proxy_pass_error_message" directive in IMAP/POP3 proxy.
+*) Feature: now configure detects system PCRE library on FreeBSD,
+Linux, and NetBSD.
+*) Bugfix: ngx_http_perl_module did not work with perl built with the
+threads support; the bug had appeared in 0.3.38.
+*) Bugfix: ngx_http_perl_module did not work if perl was called
+recursively.
+*) Bugfix: nginx ignored a host name in a request line.
+*) Bugfix: a worker process may got caught in an endless loop, if a
+FastCGI server sent too many data to the stderr.
+*) Bugfix: the $upstream_response_time variable may be negative if the
+system time was changed backward.
+*) Bugfix: the "Auth-Login-Attempt" parameter was not sent to IMAP/POP3
+proxy authentication server when POP3 was used.
+*) Bugfix: a segmentation fault might occur if connect to IMAP/POP3
+proxy authentication server failed.
+Changes with nginx 0.4.13                                        15 Nov 2006
+*) Feature: the "proxy_pass" directive may be used inside the
+"limit_except" block.
+*) Feature: the "limit_except" directive supports all WebDAV methods.
+*) Bugfix: if the "add_before_body" directive was used without the
+"add_after_body" directive, then a response did not transferred
+complete.
+*) Bugfix: a large request body did not receive if the epoll method and
+the deferred accept() were used.
+*) Bugfix: a charset could not be set for ngx_http_autoindex_module
+responses; the bug had appeared in 0.3.50.
+*) Bugfix: the "[alert] zero size buf" error when FastCGI server was
+used;
+*) Bugfix: the --group= configuration parameter was ignored.
+Thanks to Thomas Moschny.
+*) Bugfix: the 50th subrequest in SSI response did not work; the bug
+had appeared in 0.3.50.
+Changes with nginx 0.4.12                                        31 Oct 2006
+*) Feature: the ngx_http_perl_module supports the $r->variable method.
+*) Bugfix: if a big static file was included using SSI in a response,
+then the response may be transferred incomplete.
+*) Bugfix: nginx did not omit the "#fragment" part in URI.
+Changes with nginx 0.4.11                                        25 Oct 2006
+*) Feature: the POP3 proxy supports the AUTH LOGIN PLAIN and CRAM-MD5.
+*) Feature: the ngx_http_perl_module supports the $r->allow_ranges
+method.
+*) Bugfix: if the APOP was enabled in the POP3 proxy, then the
+USER/PASS commands might not work; the bug had appeared in 0.4.10.
+Changes with nginx 0.4.10                                        23 Oct 2006
+*) Feature: the POP3 proxy supports the APOP command.
+*) Bugfix: if the select, poll or /dev/poll methods were used, then
+while waiting authentication server response the IMAP/POP3 proxy
+hogged CPU.
+*) Bugfix: a segmentation fault might occur if the $server_addr
+variable was used in the "map" directive.
+*) Bugfix: the ngx_http_flv_module did not support the byte ranges for
+full responses; the bug had appeared in 0.4.7.
+*) Bugfix: nginx could not be built on Debian amd64; the bug had
+appeared in 0.4.9.
+Changes with nginx 0.4.9                                         13 Oct 2006
+*) Feature: the "set" parameter in the "include" SSI command.
+*) Feature: the ngx_http_perl_module now tests the nginx.pm module
+version.
+Changes with nginx 0.4.8                                         11 Oct 2006
+*) Bugfix: if an "include" SSI command were before another "include"
+SSI command with a "wait" parameter, then the "wait" parameter might
+not work.
+*) Bugfix: the ngx_http_flv_module added the FLV header to the full
+responses.
+Thanks to Alexey Kovyrin.
+Changes with nginx 0.4.7                                         10 Oct 2006
+*) Feature: the ngx_http_flv_module.
+*) Feature: the $request_body_file variable.
+*) Feature: the "charset" and "source_charset" directives support the
+variables.
+*) Bugfix: if an "include" SSI command were before another "include"
+SSI command with a "wait" parameter, then the "wait" parameter might
+not work.
+*) Bugfix: if the "proxy_buffering off" directive was used or while
+working with memcached the connections might not be closed on
+timeout.
+*) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64,
+and ppc64.
+Changes with nginx 0.4.6                                         06 Oct 2006
+*) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64,
+and ppc64.
+*) Bugfix: nginx sent the chunked response for HTTP/1.1 request,
+if its length was set by text string in the
+$r->headers_out("Content-Length", ...) method.
+*) Bugfix: after redirecting error by an "error_page" directive any
+ngx_http_rewrite_module directive returned this error code; the bug
+had appeared in 0.4.4.
+Changes with nginx 0.4.5                                         02 Oct 2006
+*) Bugfix: nginx could not be built on Linux and Solaris; the bug had
+appeared in 0.4.4.
+Changes with nginx 0.4.4                                         02 Oct 2006
+*) Feature: the $scheme variable.
+*) Feature: the "expires" directive supports the "max" parameter.
+*) Feature: the "include" directive supports the "*" mask.
+Thanks to Jonathan Dance.
+*) Bugfix: the "return" directive always overrode the "error_page"
+response code redirected by the "error_page" directive.
+*) Bugfix: a segmentation fault occurred if zero-length body was in PUT
+method.
+*) Bugfix: the redirect was changed incorrectly if the variables were
+used in the "proxy_redirect" directive.
+Changes with nginx 0.4.3                                         26 Sep 2006
+*) Change: now the 499 error could not be redirected using an
+"error_page" directive.
+*) Feature: the Solaris 10 event ports support.
+*) Feature: the ngx_http_browser_module.
+*) Bugfix: a segmentation fault may occur while redirecting the 400
+error to the proxied server using a "proxy_pass" directive.
+*) Bugfix: a segmentation fault occurred if an unix domain socket was
+used in a "proxy_pass" directive; the bug had appeared in 0.3.47.
+*) Bugfix: SSI did work with memcached and nonbuffered responses.
+*) Workaround: of the Sun Studio PAUSE hardware capability bug.
+Changes with nginx 0.4.2                                         14 Sep 2006
+*) Bugfix: the O_NOATIME flag support on Linux was canceled; the bug
+had appeared in 0.4.1.
+Changes with nginx 0.4.1                                         14 Sep 2006
+*) Bugfix: the DragonFlyBSD compatibility.
+Thanks to Pavel Nazarov.
+*) Workaround: of bug in 64-bit Linux sendfile(), when file is more
+than 2G.
+*) Feature: now on Linux nginx uses O_NOATIME flag for static
+requests.
+Thanks to Yusuf Goolamabbas.
+Changes with nginx 0.4.0                                         30 Aug 2006
+*) Change in internal API: the HTTP modules initialization was moved
+from the init module phase to the HTTP postconfiguration phase.
+*) Change: now the request body is not read beforehand for the
+ngx_http_perl_module: it's required to start the reading using the
+$r->has_request_body method.
+*) Feature: the ngx_http_perl_module supports the DECLINED return code.
+*) Feature: the ngx_http_dav_module supports the incoming "Date" header
+line for the PUT method.
+*) Feature: the "ssi" directive is available inside the "if" block.
+*) Bugfix: a segmentation fault occurred if there was an "index"
+directive with variables and the first index name was without
+variables; the bug had appeared in 0.1.29.
+Changes with nginx 0.3.61                                        28 Aug 2006
+*) Change: now the "tcp_nodelay" directive is turned on by default.
+*) Feature: the "msie_refresh" directive.
+*) Feature: the "recursive_error_pages" directive.
+*) Bugfix: the "rewrite" directive returned incorrect redirect, if the
+redirect had the captured escaped symbols from original URI.
+Changes with nginx 0.3.60                                        18 Aug 2006
+*) Bugfix: a worker process may got caught in an endless loop while an
+error redirection; the bug had appeared in 0.3.59.
+Changes with nginx 0.3.59                                        16 Aug 2006
+*) Feature: now is possible to do several redirection using the
+"error_page" directive.
+*) Bugfix: the "dav_access" directive did not support three parameters.
+*) Bugfix: the "error_page" directive did not changes the
+"Content-Type" header line after the "X-Accel-Redirect" was used;
+the bug had appeared in 0.3.58.
+Changes with nginx 0.3.58                                        14 Aug 2006
+*) Feature: the "error_page" directive supports the variables.
+*) Change: now the procfs interface instead of sysctl is used on Linux.
+*) Change: now the "Content-Type" header line is inherited from first
+response when the "X-Accel-Redirect" was used.
+*) Bugfix: the "error_page" directive did not redirect the 413 error.
+*) Bugfix: the trailing "?" did not remove old arguments if no new
+arguments were added to a rewritten URI.
+*) Bugfix: nginx could not run on 64-bit FreeBSD 7.0-CURRENT.
+Changes with nginx 0.3.57                                        09 Aug 2006
+*) Feature: the $ssl_client_serial variable.
+*) Bugfix: in the "!-e" operator of the "if" directive.
+Thanks to Andrian Budanstov.
+*) Bugfix: while a client certificate verification nginx did not send
+to a client the required certificates information.
+*) Bugfix: the $document_root variable did not support the variables in
+the "root" directive.
+Changes with nginx 0.3.56                                        04 Aug 2006
+*) Feature: the "dav_access" directive.
+*) Feature: the "if" directive supports the "-d", "!-d", "-e", "!-e",
+"-x", and "!-x" operators.
+*) Bugfix: a segmentation fault occurred if a request returned a
+redirect and some sent to client header lines were logged in the
+access log.
+Changes with nginx 0.3.55                                        28 Jul 2006
+*) Feature: the "stub" parameter in the "include" SSI command.
+*) Feature: the "block" SSI command.
+*) Feature: the unicode2nginx script was added to contrib.
+*) Bugfix: if a "root" was specified by variable only, then the root
+was relative to a server prefix.
+*) Bugfix: if the request contained "//" or "/./" and escaped symbols
+after them, then the proxied request was sent unescaped.
+*) Bugfix: the $r->header_in("Cookie") of the ngx_http_perl_module now
+returns all "Cookie" header lines.
+*) Bugfix: a segmentation fault occurred if
+"client_body_in_file_only on" was used and nginx switched to a next
+upstream.
+*) Bugfix: on some condition while reconfiguration character codes
+inside the "charset_map" may be treated invalid; the bug had
+appeared in 0.3.50.
+Changes with nginx 0.3.54                                        11 Jul 2006
+*) Feature: nginx now logs the subrequest information to the error log.
+*) Feature: the "proxy_next_upstream", "fastcgi_next_upstream", and
+"memcached_next_upstream" directives support the "off" parameter.
+*) Feature: the "debug_connection" directive supports the CIDR address
+form.
+*) Bugfix: if a response of proxied server or FastCGI server was
+converted from UTF-8 or back, then it may be transferred incomplete.
+*) Bugfix: the $upstream_response_time variable had the time of the
+first request to a backend only.
+*) Bugfix: nginx could not be built on amd64 platform; the bug had
+appeared in 0.3.53.
+Changes with nginx 0.3.53                                        07 Jul 2006
+*) Change: the "add_header" directive adds the string to 204, 301, and
+302 responses.
+*) Feature: the "server" directive in the "upstream" context supports
+the "weight" parameter.
+*) Feature: the "server_name" directive supports the "*" wildcard.
+*) Feature: nginx supports the request body size more than 2G.
+*) Bugfix: if a client was successfully authorized using "satisfy_any
+on", then anyway the message "access forbidden by rule" was written
+in the log.
+*) Bugfix: the "PUT" method may erroneously not create a file and
+return the 409 code.
+*) Bugfix: if the IMAP/POP3 backend returned an error, then nginx
+continued proxying anyway.
+Changes with nginx 0.3.52                                        03 Jul 2006
+*) Change: the ngx_http_index_module behavior for the "POST /" requests
+is reverted to the 0.3.40 version state: the module now does not
+return the 405 error.
+*) Bugfix: the worker process may got caught in an endless loop if the
+limit rate was used; the bug had appeared in 0.3.37.
+*) Bugfix: ngx_http_charset_module logged "unknown charset" alert, even
+if the recoding was not needed; the bug had appeared in 0.3.50.
+*) Bugfix: if a code response of the PUT request was 409, then a
+temporary file was not removed.
+Changes with nginx 0.3.51                                        30 Jun 2006
+*) Bugfix: the "<" symbols might disappeared some conditions in the
+SSI; the bug had appeared in 0.3.50.
+Changes with nginx 0.3.50                                        28 Jun 2006
+*) Change: the "proxy_redirect_errors" and "fastcgi_redirect_errors"
+directives was renamed to the "proxy_intercept_errors" and
+"fastcgi_intercept_errors" directives.
+*) Feature: the ngx_http_charset_module supports the recoding from the
+single byte encodings to the UTF-8 encoding and back.
+*) Feature: the "X-Accel-Charset" response header line is supported in
+proxy and FastCGI mode.
+*) Bugfix: the "\" escape symbol in the "\"" and "\'" pairs in the SSI
+command was removed only if the command also has the "$" symbol.
+*) Bugfix: the "<!--" string might be added on some conditions in the
+SSI after inclusion.
+*) Bugfix: if the "Content-Length: 0" header line was in response, then
+in nonbuffered proxying mode the client connection was not closed.
+Changes with nginx 0.3.49                                        31 May 2006
+*) Bugfix: in the "set" directive.
+*) Bugfix: if two or more FastCGI subrequests was in SSI, then first
+subrequest output was included instead of second and following
+subrequests.
+Changes with nginx 0.3.48                                        29 May 2006
+*) Change: now the ngx_http_charset_module works for subrequests, if
+the response has no "Content-Type" header line.
+*) Bugfix: if the "proxy_pass" directive has no URI part, then the
+"proxy_redirect default" directive add the unnecessary slash in
+start of the rewritten redirect.
+*) Bugfix: the internal redirect always transform client's HTTP method
+to GET, now the transformation is made for the "X-Accel-Redirect"
+redirects only and if the method is not HEAD; the bug had appeared
+in 0.3.42.
+*) Bugfix: the ngx_http_perl_module could not be built, if the perl was
+built with the threads support; the bug had appeared in 0.3.46.
+Changes with nginx 0.3.47                                        23 May 2006
+*) Feature: the "upstream" directive.
+*) Change: now the "\" escape symbol in the "\"" and "\'" pairs in the
+SSI command is always removed.
+Changes with nginx 0.3.46                                        11 May 2006
+*) Feature: the "proxy_hide_header", "proxy_pass_header",
+"fastcgi_hide_header", and "fastcgi_pass_header" directives.
+*) Change: the "proxy_pass_x_powered_by", "fastcgi_x_powered_by", and
+"proxy_pass_server" directives were canceled.
+*) Feature: the "X-Accel-Buffering" response header line is supported
+in proxy mode.
+*) Bugfix: the reconfiguration bug and memory leaks in the
+ngx_http_perl_module.
+Changes with nginx 0.3.45                                        06 May 2006
+*) Feature: the "ssl_verify_client", "ssl_verify_depth", and
+"ssl_client_certificate" directives.
+*) Change: the $request_method variable now returns the main request
+method.
+*) Change: the &deg; symbol codes were changed in koi-win conversion
+table.
+*) Feature: the euro and N symbols were added to koi-win conversion
+table.
+*) Bugfix: if nginx distributed the requests among several backends and
+some backend failed, then requests intended for this backend was
+directed to one live backend only instead of being distributed among
+the rest.
+Changes with nginx 0.3.44                                        04 May 2006
+*) Feature: the "wait" parameter in the "include" SSI command.
+*) Feature: the Ukrainian and Byelorussian characters were added to
+koi-win conversion table.
+*) Bugfix: in the SSI.
+Changes with nginx 0.3.43                                        26 Apr 2006
+*) Bugfix: in the SSI.
+Changes with nginx 0.3.42                                        26 Apr 2006
+*) Feature: the "bind" option of the "listen" directive in IMAP/POP3
+proxy.
+*) Bugfix: if the same capture in the "rewrite" directive was used more
+then once.
+*) Bugfix: the $sent_http_content_type, $sent_http_content_length,
+$sent_http_last_modified, $sent_http_connection,
+$sent_http_keep_alive, and $sent_http_transfer_encoding variables
+were not written to access log.
+*) Bugfix: the $sent_http_cache_control returned value of the single
+"Cache-Control" response header line.
+Changes with nginx 0.3.41                                        21 Apr 2006
+*) Feature: the -v switch.
+*) Bugfix: the segmentation fault may occurred if the SSI page has
+remote subrequests.
+*) Bugfix: in FastCGI handling.
+*) Bugfix: if the perl modules path was not set using
+--with-perl_modules_path=PATH or the "perl_modules", then the
+segmentation fault was occurred.
+Changes with nginx 0.3.40                                        19 Apr 2006
+*) Feature: the ngx_http_dav_module supports the MKCOL method.
+*) Feature: the "create_full_put_path" directive.
+*) Feature: the "$limit_rate" variable.
+Changes with nginx 0.3.39                                        17 Apr 2006
+*) Feature: the "uninitialized_variable_warn" directive; the logging
+level of the "uninitialized variable" message was lowered from
+"alert" to "warn".
+*) Feature: the "override_charset" directive.
+*) Change: now if the unknown variable is used in the "echo" and "if
+expr='$name'" SSI-commands, then the "unknown variable" message is
+not logged.
+*) Bugfix: the active connection counter increased on the exceeding of
+the connection limit specified by the "worker_connections"
+directive; the bug had appeared in 0.2.0.
+*) Bugfix: the limit rate might not work on some condition; the bug had
+appeared in 0.3.38.
+Changes with nginx 0.3.38                                        14 Apr 2006
+*) Feature: the ngx_http_dav_module.
+*) Change: the ngx_http_perl_module optimizations.
+Thanks to Sergey Skvortsov.
+*) Feature: the ngx_http_perl_module supports the $r->request_body_file
+method.
+*) Feature: the "client_body_in_file_only" directive.
+*) Workaround: now on disk overflow nginx tries to write access logs
+once a second only.
+Thanks to Anton Yuzhaninov and Maxim Dounin.
+*) Bugfix: now the "limit_rate" directive more precisely limits rate if
+rate is more than 100 Kbyte/s.
+Thanks to ForJest.
+*) Bugfix: now the IMAP/POP3 proxy escapes the "\r" and "\n" symbols in
+login and password to pass authorization server.
+Thanks to Maxim Dounin.
+Changes with nginx 0.3.37                                        07 Apr 2006
+*) Feature: the "limit_except" directive.
+*) Feature: the "if" directive supports the "!~", "!~*", "-f", and
+"!-f" operators.
+*) Feature: the ngx_http_perl_module supports the $r->request_body
+method.
+*) Bugfix: in the ngx_http_addition_filter_module.
+Changes with nginx 0.3.36                                        05 Apr 2006
+*) Feature: the ngx_http_addition_filter_module.
+*) Feature: the "proxy_pass" and "fastcgi_pass" directives may be used
+inside the "if" block.
+*) Feature: the "proxy_ignore_client_abort" and
+"fastcgi_ignore_client_abort" directives.
+*) Feature: the "$request_completion" variable.
+*) Feature: the ngx_http_perl_module supports the $r->request_method
+and $r->remote_addr.
+*) Feature: the ngx_http_ssi_module supports the "elif" command.
+*) Bugfix: the "\/" string in the expression of the "if" command of the
+ngx_http_ssi_module was treated incorrectly.
+*) Bugfix: in the regular expressions in the "if" command of the
+ngx_http_ssi_module.
+*) Bugfix: if the relative path was specified in the
+"client_body_temp_path", "proxy_temp_path", "fastcgi_temp_path", and
+"perl_modules" directives, then the directory was used relatively to
+a current path but not to a server prefix.
+Changes with nginx 0.3.35                                        22 Mar 2006
+*) Bugfix: the accept-filter and the TCP_DEFER_ACCEPT option were set
+for first "listen" directive only; the bug had appeared in 0.3.31.
+*) Bugfix: in the "proxy_pass" directive without the URI part in a
+subrequest.
+Changes with nginx 0.3.34                                        21 Mar 2006
+*) Feature: the "add_header" directive supports the variables.
+Changes with nginx 0.3.33                                        15 Mar 2006
+*) Feature: the "http_503" parameter of the "proxy_next_upstream" or
+"fastcgi_next_upstream" directives.
+*) Bugfix: ngx_http_perl_module did not work with inlined in the
+configuration code, if it was not started with the "sub" word.
+*) Bugfix: in the "post_action" directive.
+Changes with nginx 0.3.32                                        11 Mar 2006
+*) Bugfix: the debug logging on startup and reconfiguration time was
+removed; the bug had appeared in 0.3.31.
+Changes with nginx 0.3.31                                        10 Mar 2006
+*) Change: now nginx passes the malformed proxied backend responses.
+*) Feature: the "listen" directives support the address in the "*:port"
+form.
+*) Feature: the EVFILER_TIMER support in MacOSX 10.4.
+*) Workaround: for MacOSX 64-bit kernel kqueue millisecond timeout
+bug.
+Thanks to Andrei Nigmatulin.
+*) Bugfix: if there were several "listen" directives listening one
+various addresses inside one server, then server names like
+"*.domain.tld" worked for first address only; the bug had appeared
+in 0.3.18.
+*) Bugfix: if the HTTPS protocol was used in the "proxy_pass" directive
+and the request body was in temporary file then the request was not
+transferred.
+*) Bugfix: perl 5.8.8 compatibility.
+Changes with nginx 0.3.30                                        22 Feb 2006
+*) Change: the ECONNABORTED error log level was changed to "error" from
+"crit".
+*) Bugfix: the ngx_http_perl_module could not be build without the
+ngx_http_ssi_filter_module.
+*) Bugfix: nginx could not be built on i386 platform, if the PIC was
+used; the bug had appeared in 0.3.27.
+Changes with nginx 0.3.29                                        20 Feb 2006
+*) Feature: now nginx uses less memory, if PHP in FastCGI mode sends
+many warnings before the response.
+*) Bugfix: the "Transfer-Encoding: chunked" header line was issued in
+the 204 responses for the HTTP/1.1 requests.
+*) Bugfix: nginx returned the 502 response, if the complete response
+header lines were transferred in a separate FastCGI records.
+*) Bugfix: if the proxied URI was specified in the "post_action"
+directive, then it ran only after a successful completion of a
+request.
+Changes with nginx 0.3.28                                        16 Feb 2006
+*) Feature: the "restrict_host_names" directive was canceled.
+*) Feature: the --with-cpu-opt=ppc64 configuration parameter.
+*) Bugfix: on some condition the proxied connection with a client was
+terminated prematurely.
+Thanks to Vladimir Shutoff.
+*) Bugfix: the "X-Accel-Limit-Rate" header line was not taken into
+account if the request was redirected using the "X-Accel-Redirect"
+header line.
+*) Bugfix: the "post_action" directive ran only after a successful
+completion of a request.
+*) Bugfix: the proxied response body generated by the "post_action"
+directive was transferred to a client.
+Changes with nginx 0.3.27                                        08 Feb 2006
+*) Change: the "variables_hash_max_size" and
+"variables_hash_bucket_size" directives.
+*) Feature: the $body_bytes_sent variable can be used not only in the
+"log_format" directive.
+*) Feature: the $ssl_protocol and $ssl_cipher variables.
+*) Feature: the cache line size detection for widespread CPUs at start
+time.
+*) Feature: now the "accept_mutex" directive is supported using
+fcntl(2) on platforms different from i386, amd64, sparc64, and ppc.
+*) Feature: the "lock_file" directive and the --with-lock-path=PATH
+autoconfiguration directive.
+*) Bugfix: if the HTTPS protocol was used in the "proxy_pass" directive
+then the requests with the body was not transferred.
+Changes with nginx 0.3.26                                        03 Feb 2006
+*) Change: the "optimize_host_names" directive was renamed to the
+"optimize_server_names".
+*) Bugfix: if in the "proxy_pass" directive was no the URI part, then
+the main request URI was transferred to a backend while proxying the
+SSI subrequest.
+Changes with nginx 0.3.25                                        01 Feb 2006
+*) Bugfix: the segmentation fault was occurred on start or while
+reconfiguration if there was invalid configuration; the bug had
+appeared in 0.3.24.
+Changes with nginx 0.3.24                                        01 Feb 2006
+*) Workaround: for bug in FreeBSD kqueue.
+*) Bugfix: now a response generated by the "post_action" directive is
+not transferred to a client.
+*) Bugfix: the memory leaks were occurring if many log files were used.
+*) Bugfix: the first "proxy_redirect" directive was working inside one
+location.
+*) Bugfix: on 64-bit platforms segmentation fault may occurred on start
+if the many names were used in the "server_name" directives; the bug
+had appeared in 0.3.18.
+Changes with nginx 0.3.23                                        24 Jan 2006
+*) Feature: the "optimize_host_names" directive.
+*) Bugfix: in using of the variables in the "path" and "alias"
+directives.
+*) Bugfix: the ngx_http_perl_module was incorrectly built on Linux and
+Solaris.
+Changes with nginx 0.3.22                                        17 Jan 2006
+*) Feature: the ngx_http_perl_module supports the $r->args and
+$r->unescape methods.
+*) Feature: the method $r->query_string of ngx_http_perl_module was
+canceled.
+*) Bugfix: segmentation fault was occurred if the "none" or "blocked"
+values was specified in the "valid_referers" directive; the bug had
+appeared in 0.3.18.
+Changes with nginx 0.3.21                                        16 Jan 2006
+*) Feature: the ngx_http_perl_module.
+*) Change: the "valid_referers" directive allows the referreres without
+URI part.
+Changes with nginx 0.3.20                                        11 Jan 2006
+*) Bugfix: in SSI handling.
+*) Bugfix: the ngx_http_memcached_module did not support the keys in
+the "/usr?args" form.
+Changes with nginx 0.3.19                                        28 Dec 2005
+*) Feature: the "path" and "alias" directives support the variables.
+*) Change: now the "valid_referers" directive again checks the URI part.
+*) Bugfix: in SSI handling.
+Changes with nginx 0.3.18                                        26 Dec 2005
+*) Feature: the "server_names" directive supports the ".domain.tld"
+names.
+*) Feature: the "server_names" directive uses the hash for the
+"*.domain.tld" names and more effective hash for usual names.
+*) Change: the "server_names_hash_max_size" and
+"server_names_hash_bucket_size" directives.
+*) Change: the "server_names_hash" and "server_names_hash_threshold"
+directives were canceled.
+*) Feature: the "valid_referers" directive uses the hash site names.
+*) Change: now the "valid_referers" directive checks the site names
+only without the URI part.
+*) Bugfix: some ".domain.tld" names incorrectly processed by the
+ngx_http_map_module.
+*) Bugfix: segmentation fault was occurred if configuration file did
+not exist; the bug had appeared in 0.3.12.
+*) Bugfix: on 64-bit platforms segmentation fault may occurred on
+start; the bug had appeared in 0.3.16.
+Changes with nginx 0.3.17                                        18 Dec 2005
+*) Change: now on Linux configure checks the presence of epoll and
+sendfile64() in kernel.
+*) Feature: the "map" directive supports domain names in the
+".domain.tld" form.
+*) Bugfix: the timeouts were not used in SSL handshake; the bug had
+appeared in 0.2.4.
+*) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
+*) Bugfix: when the HTTPS protocol was used in the "proxy_pass"
+directive the port 80 was used by default.
+Changes with nginx 0.3.16                                        16 Dec 2005
+*) Feature: the ngx_http_map_module.
+*) Feature: the "types_hash_max_size" and "types_hash_bucket_size"
+directives.
+*) Feature: the "ssi_value_length" directive.
+*) Feature: the "worker_rlimit_core" directive.
+*) Workaround: the connection number in logs was always 1 if nginx was
+built by the icc 8.1 or 9.0 compilers with optimization for
+Pentium 4.
+*) Bugfix: the "config timefmt" SSI command set incorrect time format.
+*) Bugfix: nginx did not close connection to IMAP/POP3 backend for the
+SSL connections; the bug had appeared in 0.3.13.
+Thanks to Rob Mueller.
+*) Bugfix: segmentation fault may occurred in at SSL shutdown; the bug
+had appeared in 0.3.13.
+Changes with nginx 0.3.15                                        07 Dec 2005
+*) Feature: the new 444 code of the "return" directive to close
+connection.
+*) Feature: the "so_keepalive" directive in IMAP/POP3 proxy.
+*) Bugfix: if there are unclosed connection nginx now calls abort()
+only on gracefull quit and active "debug_points" directive.
+Changes with nginx 0.3.14                                        05 Dec 2005
+*) Bugfix: in the 304 response the body was transferred; the bug had
+appeared in 0.3.13.
+Changes with nginx 0.3.13                                        05 Dec 2005
+*) Feature: the IMAP/POP3 proxy supports STARTTLS and STLS.
+*) Bugfix: the IMAP/POP3 proxy did not work with the select, poll, and
+/dev/poll methods.
+*) Bugfix: in SSI handling.
+*) Bugfix: now Solaris sendfilev() is not used to transfer the client
+request body to FastCGI-server via the unix domain socket.
+*) Bugfix: the "auth_basic" directive did not disable the
+authorization; the bug had appeared in 0.3.11.
+Changes with nginx 0.3.12                                        26 Nov 2005
+*) Security: if nginx was built with the ngx_http_realip_module and the
+"satisfy_any on" directive was used, then access and authorization
+directives did not work. The ngx_http_realip_module was not built
+and is not built by default.
+*) Change: the "$time_gmt" variable name was changed to "$time_local".
+*) Change: the "proxy_header_buffer_size" and
+"fastcgi_header_buffer_size" directives was renamed to the
+"proxy_buffer_size" and "fastcgi_buffer_size" directives.
+*) Feature: the ngx_http_memcached_module.
+*) Feature: the "proxy_buffering" directive.
+*) Bugfix: the changes in accept mutex handling when the "rtsig" method
+was used; the bug had appeared in 0.3.0.
+*) Bugfix: if the client sent the "Transfer-Encoding: chunked" header
+line, then nginx returns the 411 error.
+*) Bugfix: if the "auth_basic" directive was inherited from the http
+level, then the realm in the "WWW-Authenticate" header line was
+without the "Basic realm" text.
+*) Bugfix: if the "combined" format was explicitly specified in the
+"access_log" directive, then the empty lines was written to the log;
+the bug had appeared in 0.3.8.
+*) Bugfix: nginx did not run on the sparc platform under any OS except
+Solaris.
+*) Bugfix: now it is not necessary to place space between the quoted
+string and closing bracket in the "if" directive.
+Changes with nginx 0.3.11                                        15 Nov 2005
+*) Bugfix: nginx did not pass the client request headers and body while
+proxying; the bug had appeared in 0.3.10.
+Changes with nginx 0.3.10                                        15 Nov 2005
+*) Change: the "valid_referers" directive and the "$invalid_referer"
+variable were moved to the new ngx_http_referer_module from the
+ngx_http_rewrite_module.
+*) Change: the "$apache_bytes_sent" variable name was changed to
+"$body_bytes_sent".
+*) Feature: the "$sent_http_..." variables.
+*) Feature: the "if" directive supports the "=" and "!=" operations.
+*) Feature: the "proxy_pass" directive supports the HTTPS protocol.
+*) Feature: the "proxy_set_body" directive.
+*) Feature: the "post_action" directive.
+*) Feature: the ngx_http_empty_gif_module.
+*) Feature: the "worker_cpu_affinity" directive for Linux.
+*) Bugfix: the "rewrite" directive did not unescape URI part in
+redirect, now it is unescaped except the %00-%25 and %7F-%FF
+characters.
+*) Bugfix: nginx could not be built by the icc 9.0 compiler.
+*) Bugfix: if the SSI was enabled for zero size static file, then the
+chunked response was encoded incorrectly.
+Changes with nginx 0.3.9                                         10 Nov 2005
+*) Bugfix: nginx considered URI as unsafe if two any symbols was
+between two slashes; the bug had appeared in 0.3.8.
+Changes with nginx 0.3.8                                         09 Nov 2005
+*) Security: nginx now checks URI got from a backend in
+"X-Accel-Redirect" header line or in SSI file for the "/../" paths
+and zeroes.
+*) Change: nginx now does not treat the empty user name in the
+"Authorization" header line as valid one.
+*) Feature: the "ssl_session_timeout" directives of the
+ngx_http_ssl_module and ngx_imap_ssl_module.
+*) Feature: the "auth_http_header" directive of the
+ngx_imap_auth_http_module.
+*) Feature: the "add_header" directive.
+*) Feature: the ngx_http_realip_module.
+*) Feature: the new variables to use in the "log_format" directive:
+$bytes_sent, $apache_bytes_sent, $status, $time_gmt, $uri,
+$request_time, $request_length, $upstream_status,
+$upstream_response_time, $gzip_ratio, $uid_got, $uid_set,
+$connection, $pipe, and $msec. The parameters in the "%name" form
+will be canceled soon.
+*) Change: now the false variable values in the "if" directive are the
+empty string "" and string starting with "0".
+*) Bugfix: while using proxied or FastCGI-server nginx may leave
+connections and temporary files with client requests in open state.
+*) Bugfix: the worker processes did not flush the buffered logs on
+graceful exit.
+*) Bugfix: if the request URI was changes by the "rewrite" directive
+and the request was proxied in location given by regular expression,
+then the incorrect request was transferred to backend; the bug had
+appeared in 0.2.6.
+*) Bugfix: the "expires" directive did not remove the previous
+"Expires" header.
+*) Bugfix: nginx may stop to accept requests if the "rtsig" method and
+several worker processes were used.
+*) Bugfix: the "\"" and "\'" escape symbols were incorrectly handled in
+SSI commands.
+*) Bugfix: if the response was ended just after the SSI command and
+gzipping was used, then the response did not transferred complete or
+did not transferred at all.
+Changes with nginx 0.3.7                                         27 Oct 2005
+*) Feature: the "access_log" supports the "buffer=" parameter.
+*) Bugfix: nginx could not be built on platforms different from i386,
+amd64, sparc, and ppc; the bug had appeared in 0.3.2.
+Changes with nginx 0.3.6                                         24 Oct 2005
+*) Change: now the IMAP/POP3 proxy do not send the empty login to
+authorization server.
+*) Feature: the "log_format" supports the variables in the $name form.
+*) Bugfix: if at least in one server was no the "listen" directive,
+then nginx did not listen on the 80 port; the bug had appeared in
+0.3.3.
+*) Bugfix: if the URI part is omitted in "proxy_pass" directive, the
+the 80 port was always used.
+Changes with nginx 0.3.5                                         21 Oct 2005
+*) Bugfix: the segmentation fault may occurred if the IMAP/POP3 login
+was changed by authorization server; the bug had appeared in 0.2.2.
+*) Bugfix: the accept mutex did not work and all connections were
+handled by one process; the bug had appeared in 0.3.3.
+*) Bugfix: the timeout did not work if the "rtsig" method and the
+"timer_resolution" directive were used.
+Changes with nginx 0.3.4                                         19 Oct 2005
+*) Bugfix: nginx could not be built on Linux 2.4+ and MacOS X; the bug
+had appeared in 0.3.3.
+Changes with nginx 0.3.3                                         19 Oct 2005
+*) Change: the "bl" and "af" parameters of the "listen" directive was
+renamed to the "backlog" and "accept_filter".
+*) Feature: the "rcvbuf" and "sndbuf" parameters of the "listen"
+directive.
+*) Change: the "$msec" log parameter does not require now the
+additional the gettimeofday() system call.
+*) Feature: the -t switch now tests the "listen" directives.
+*) Bugfix: if the invalid address was specified in the "listen"
+directive, then after the -HUP signal nginx left an open socket in
+the CLOSED state.
+*) Bugfix: the mime type may be incorrectly set to default value for
+index file with variable in the name; the bug had appeared in 0.3.0.
+*) Feature: the "timer_resolution" directive.
+*) Feature: the millisecond "$upstream_response_time" log parameter.
+*) Bugfix: a temporary file with client request body now is removed
+just after the response header was transferred to a client.
+*) Bugfix: OpenSSL 0.9.6 compatibility.
+*) Bugfix: the SSL certificate and key file paths could not be relative.
+*) Bugfix: the "ssl_prefer_server_ciphers" directive did not work in
+the ngx_imap_ssl_module.
+*) Bugfix: the "ssl_protocols" directive allowed to specify the single
+protocol only.
+Changes with nginx 0.3.2                                         12 Oct 2005
+*) Feature: the Sun Studio 10 C compiler support.
+*) Feature: the "proxy_upstream_max_fails",
+"proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails", and
+"fastcgi_upstream_fail_timeout" directives.
+Changes with nginx 0.3.1                                         10 Oct 2005
+*) Bugfix: the segmentation fault occurred when the signal queue
+overflowed if the "rtsig" method was used; the bug had appeared in
+0.2.0.
+*) Change: correct handling of the "\\", "\"", "\'", and "\$" pairs in
+SSI.
+Changes with nginx 0.3.0                                         07 Oct 2005
+*) Change: the 10-days live time limit of worker process was
+eliminated. The limit was introduced because of millisecond timers
+overflow.
+Changes with nginx 0.2.6                                         05 Oct 2005
+*) Change: while using load-balancing the time before the failed
+backend retry was decreased from 60 to 10 seconds.
+*) Change: the "proxy_pass_unparsed_uri" was canceled, the original URI
+now passed, if the URI part is omitted in "proxy_pass" directive.
+*) Feature: the "error_page" directive supports redirects and allows
+more flexible to change an error code.
+*) Change: the charset in the "Content-Type" header line now is ignored
+in proxied subrequests.
+*) Bugfix: if the URI was changed in the "if" block and request did not
+found new configuration, then the ngx_http_rewrite_module rules ran
+again.
+*) Bugfix: if the "set" directive set the ngx_http_geo_module variable
+in some configuration part, the this variable was not available in
+other configuration parts and the "using uninitialized variable"
+error was occurred; the bug had appeared in 0.2.2.
+Changes with nginx 0.2.5                                         04 Oct 2005
+*) Change: the duplicate value of the ngx_http_geo_module variable now
+causes the warning and changes old value.
+*) Feature: the ngx_http_ssi_module supports the "set" command.
+*) Feature: the ngx_http_ssi_module supports the "file" parameter in
+the "include" command.
+*) Feature: the ngx_http_ssi_module supports the variable value
+substitutions in expressions of the "if" command.
+Changes with nginx 0.2.4                                         03 Oct 2005
+*) Feature: the ngx_http_ssi_module supports "$var=text", "$var!=text",
+"$var=/text/", and "$var!=/text/" expressions in the "if" command.
+*) Bugfix: in proxying location without trailing slash; the bug had
+appeared in 0.1.44.
+*) Bugfix: the segmentation fault may occurred if the "rtsig" method
+was used; the bug had appeared in 0.2.0.
+Changes with nginx 0.2.3                                         30 Sep 2005
+*) Bugfix: nginx could not be built without the --with-debug option;
+the bug had appeared in 0.2.2.
+Changes with nginx 0.2.2                                         30 Sep 2005
+*) Feature: the "config errmsg" command of the ngx_http_ssi_module.
+*) Change: the ngx_http_geo_module variables can be overridden by the
+"set" directive.
+*) Feature: the "ssl_protocols" and "ssl_prefer_server_ciphers"
+directives of the ngx_http_ssl_module and ngx_imap_ssl_module.
+*) Bugfix: the ngx_http_autoindex_module did not show correctly the
+long file names;
+*) Bugfix: the ngx_http_autoindex_module now do not show the files
+starting by dot.
+*) Bugfix: if the SSL handshake failed then another connection may be
+closed too.
+Thanks to Rob Mueller.
+*) Bugfix: the export versions of MSIE 5.x could not connect via HTTPS.
+Changes with nginx 0.2.1                                         23 Sep 2005
+*) Bugfix: if all backend using in load-balancing failed after one
+error, then nginx may got caught in an endless loop; the bug had
+appeared in 0.2.0.
+Changes with nginx 0.2.0                                         23 Sep 2005
+*) The pid-file names used during online upgrade was changed and now is
+not required a manual rename operation. The old master process adds
+the ".oldbin" suffix to its pid-file and executes a new binary file.
+The new master process creates usual pid-file without the ".newbin"
+suffix. If the master process exits, then old master process renames
+back its pid-file with the ".oldbin" suffix to the pid-file without
+suffix.
+*) Change: the "worker_connections" directive, new name of the
+"connections" directive; now the directive specifies maximum number
+of connections, but not maximum socket descriptor number.
+*) Feature: SSL supports the session cache inside one worker process.
+*) Feature: the "satisfy_any" directive.
+*) Change: the ngx_http_access_module and ngx_http_auth_basic_module do
+not run for subrequests.
+*) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending"
+directives.
+*) Bugfix: if all backend using in load-balancing failed after one
+error, then nginx did not try do connect to them during 60 seconds.
+*) Bugfix: in IMAP/POP3 command argument parsing.
+Thanks to Rob Mueller.
+*) Bugfix: errors while using SSL in IMAP/POP3 proxy.
+*) Bugfix: errors while using SSI and gzipping.
+*) Bugfix: the "Expires" and "Cache-Control" header lines were omitted
+from the 304 responses.
+Thanks to Alexandr Kukushkin.
+Changes with nginx 0.1.45                                        08 Sep 2005
+*) Change: the "ssl_engine" directive was canceled in the
+ngx_http_ssl_module and now is introduced at global level.
+*) Bugfix: the responses with SSI subrequests did not transferred via
+SSL connection.
+*) Various bug fixes in the IMAP/POP3 proxy.
+Changes with nginx 0.1.44                                        06 Sep 2005
+*) Feature: the IMAP/POP3 proxy supports SSL.
+*) Feature: the "proxy_timeout" directive of the ngx_imap_proxy_module.
+*) Feature: the "userid_mark" directive.
+*) Feature: the $remote_user variable value is determined independently
+of authorization use.
+Changes with nginx 0.1.43                                        30 Aug 2005
+*) Feature: the listen(2) backlog in the "listen" directive can be
+changed using the -HUP signal.
+*) Feature: the geo2nginx.pl script was added to contrib.
+*) Change: the FastCGI parameters with the empty values now are passed
+to a server.
+*) Bugfix: the segmentation fault occurred or the worker process may
+got caught in an endless loop if the proxied or FastCGI server sent
+the "Cache-Control" header line and the "expires" directive was
+used; in the proxied mode the the bug had appeared in 0.1.29.
+Changes with nginx 0.1.42                                        23 Aug 2005
+*) Bugfix: if the request URI had a zero length after the processing in
+the ngx_http_proxy_module, then the segmentation fault or bus error
+occurred in the ngx_http_proxy_module.
+*) Bugfix: the "limit_rate" directive did not work inside the "if"
+block; the bug had appeared in 0.1.38.
+Changes with nginx 0.1.41                                        25 Jul 2005
+*) Bugfix: if the variable was used in the configuration file, then it
+can not be used in SSI.
+Changes with nginx 0.1.40                                        22 Jul 2005
+*) Bugfix: if a client sent too long header line, then the request
+information did not logged in the error log.
+*) Bugfix: the "Set-Cookie" header line was not transferred when the
+"X-Accel-Redirect" was used; the bug had appeared in 0.1.39.
+*) Bugfix: the "Content-Disposition" header line was not transferred
+when the "X-Accel-Redirect" was used.
+*) Bugfix: the master process did not close the listen socket on the
+SIGQUIT signal.
+*) Bugfix: after on-line upgrade on Linux and Solaris the process name
+became shorter in the "ps" command.
+Changes with nginx 0.1.39                                        14 Jul 2005
+*) The changes in the ngx_http_charset_module: the "default_charset"
+directive was canceled; the "charset" directive sets the response
+charset; the "source_charset" directive sets the source charset only.
+*) Bugfix: the backend "WWW-Authenticate" header line did not
+transferred while the 401 response code redirecting.
+*) Bugfix: the ngx_http_proxy_module and ngx_http_fastcgi_module may
+close a connection before anything was transferred to a client; the
+bug had appeared in 0.1.38.
+*) Workaround: the Linux glibc crypt_r() initialization bug.
+*) Bugfix: the ngx_http_ssi_module did not support the relative URI in
+the "include virtual" command.
+*) Bugfix: if the backend response had the "Location" header line and
+nginx should not rewrite this line, then the 500 code response body
+was transferred; the bug had appeared in 0.1.29.
+*) Bugfix: some directives of the ngx_http_proxy_module and
+ngx_http_fastcgi_module were not inherited from the server to the
+location level; the bug had appeared in 0.1.29.
+*) Bugfix: the ngx_http_ssl_module did not support the certificate
+chain.
+*) Bugfix: the ngx_http_autoindex_module did not show correctly the
+long file names; the bug had appeared in 0.1.38.
+*) Bugfixes in IMAP/POP3 proxy in interaction with a backend at the
+login state.
+Changes with nginx 0.1.38                                        08 Jul 2005
+*) Feature: the "limit_rate" directive is supported in in proxy and
+FastCGI mode.
+*) Feature: the "X-Accel-Limit-Rate" response header line is supported
+in proxy and FastCGI mode.
+*) Feature: the "break" directive.
+*) Feature: the "log_not_found" directive.
+*) Bugfix: the response status code was not changed when request was
+redirected by the ""X-Accel-Redirect" header line.
+*) Bugfix: the variables set by the "set" directive could not be used
+in SSI.
+*) Bugfix: the segmentation fault may occurred if the SSI page has more
+than one remote subrequest.
+*) Bugfix: nginx treated the backend response as invalid if the status
+line in the header was transferred in two packets; the bug had
+appeared in 0.1.29.
+*) Feature: the "ssi_types" directive.
+*) Feature: the "autoindex_exact_size" directive.
+*) Bugfix: the ngx_http_autoindex_module did not support the long file
+names in UTF-8.
+*) Feature: the IMAP/POP3 proxy.
+Changes with nginx 0.1.37                                        23 Jun 2005
+*) Change: now the "\n" is added to the end of the "nginx.pid" file.
+*) Bugfix: the responses may be transferred not completely, if many
+parts or the big parts were included by SSI.
+*) Bugfix: if all backends had returned the 404 reponse and the
+"http_404" parameter of the "proxy_next_upstream" or
+"fastcgi_next_upstream" directives was used, then nginx started to
+request all backends again.
+Changes with nginx 0.1.36                                        15 Jun 2005
+*) Change: if the request header has duplicate the "Host",
+"Connection", "Content-Length", or "Authorization" lines, then nginx
+now returns the 400 error.
+*) Change: the "post_accept_timeout" directive was canceled.
+*) Feature: the "default", "af=", "bl=", "deferred", and "bind"
+parameters of the "listen" directive.
+*) Feature: the FreeBSD accept filters support.
+*) Feature: the Linux TCP_DEFER_ACCEPT support.
+*) Bugfix: the ngx_http_autoindex_module did not support the file names
+in UTF-8.
+*) Bugfix: the new log file can be rotated by the -USR1 signal only if
+the reconfiguration by the -HUP signal was made twice.
+Changes with nginx 0.1.35                                        07 Jun 2005
+*) Feature: the "working_directory" directive.
+*) Feature: the "port_in_redirect" directive.
+*) Bugfix: the segmentation fault was occurred if the backend response
+header was in several packets; the bug had appeared in 0.1.29.
+*) Bugfix: if more than 10 servers were configured or some server did
+not use the "listen" directive, then the segmentation fault was
+occurred on the start.
+*) Bugfix: the segmentation fault might occur if the response was
+bigger than the temporary file.
+*) Bugfix: nginx returned the 400 response on requests like
+"GET http://www.domain.com/uri HTTP/1.0"; the bug had appeared in
+0.1.28.
+Changes with nginx 0.1.34                                        26 May 2005
+*) Bugfix: the worker process may got caught in an endless loop if the
+big response part were include by SSI.
+*) Bugfix: the variables set by the "set" directive were not available
+in SSI.
+*) Feature: the "autoindex_localtime" directive.
+*) Bugfix: the empty value of the "proxy_set_header" directive forbids
+the client request header line passing.
+Changes with nginx 0.1.33                                        23 May 2005
+*) Bugfix: nginx could not be built with the --without-pcre parameter;
+the bug had appeared in 0.1.29.
+*) Bugfix: 3, 4, 7, and 8 the "proxy_set_header" directives in one
+level cause the bus fault on start up.
+*) Bugfix: the HTTP protocol was specified in the HTTPS redirects.
+*) Bugfix: if the "rewrite" directive used the captures inside the "if"
+directive, then the 500 error code was returned.
+Changes with nginx 0.1.32                                        19 May 2005
+*) Bugfix: the arguments were omitted in the redirects, issued by the
+"rewrite" directive; the bug had appeared in 0.1.29.
+*) Feature: the "if" directive supports the captures in regular
+expressions.
+*) Feature: the "set" directive supports the variables and the captures
+of regular expressions.
+*) Feature: the "X-Accel-Redirect" response header line is supported in
+proxy and FastCGI mode.
+Changes with nginx 0.1.31                                        16 May 2005
+*) Bugfix: the response encrypted by SSL may not transferred complete.
+*) Bugfix: errors while processing FastCGI response by SSI.
+*) Bugfix: errors while using SSI and gzipping.
+*) Bugfix: the redirect with the 301 code was transferred without
+response body; the bug had appeared in 0.1.30.
+Changes with nginx 0.1.30                                        14 May 2005
+*) Bugfix: the worker process may got caught in an endless loop if the
+SSI was used.
+*) Bugfix: the response encrypted by SSL may not transferred complete.
+*) Bugfix: if the length of the response part received at once from
+proxied or FastCGI server was equal to 500, then nginx returns the
+500 response code; in proxy mode the the bug had appeared in 0.1.29
+only.
+*) Bugfix: nginx did not consider the directives with 8 or 9 parameters
+as invalid.
+*) Feature: the "return" directive can return the 204 response code.
+*) Feature: the "ignore_invalid_headers" directive.
+Changes with nginx 0.1.29                                        12 May 2005
+*) Feature: the ngx_http_ssi_module supports "include virtual" command.
+*) Feature: the ngx_http_ssi_module supports the condition command like
+'if expr="$NAME"' and "else" and "endif" commands. Only one nested
+level is supported.
+*) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and
+DATE_GMT variables and "config timefmt" command.
+*) Feature: the "ssi_ignore_recycled_buffers" directive.
+*) Bugfix: the "echo" command did not show the default value for the
+empty QUERY_STRING variable.
+*) Change: the ngx_http_proxy_module was rewritten.
+*) Feature: the "proxy_redirect", "proxy_pass_request_headers",
+"proxy_pass_request_body", and "proxy_method" directives.
+*) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
+canceled and must be replaced with the proxy_set_header directive.
+*) Change: the "proxy_preserve_host" is canceled and must be replaced
+with the "proxy_set_header Host $host" and the "proxy_redirect off"
+directives, the "proxy_set_header Host $host:$proxy_port" directive
+and the appropriate proxy_redirect directives.
+*) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
+with the "proxy_set_header X-Real-IP $remote_addr" directive.
+*) Change: the "proxy_add_x_forwarded_for" is canceled and must be
+replaced with
+the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
+directive.
+*) Change: the "proxy_set_x_url" is canceled and must be replaced with
+the "proxy_set_header X-URL http://$host:$server_port$request_uri"
+directive.
+*) Feature: the "fastcgi_param" directive.
+*) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
+directive are canceled and must be replaced with the fastcgi_param
+directives.
+*) Feature: the "index" directive can use the variables.
+*) Feature: the "index" directive can be used at http and server levels.
+*) Change: the last index only in the "index" directive can be absolute.
+*) Feature: the "rewrite" directive can use the variables.
+*) Feature: the "internal" directive.
+*) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
+SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
+REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
+*) Change: nginx now passes the invalid lines in a client request
+headers or a backend response header.
+*) Bugfix: if the backend did not transfer response for a long time and
+the "send_timeout" was less than "proxy_read_timeout", then nginx
+returned the 408 response.
+*) Bugfix: the segmentation fault was occurred if the backend sent an
+invalid line in response header; the bug had appeared in 0.1.26.
+*) Bugfix: the segmentation fault may occurred in FastCGI fault
+tolerance configuration.
+*) Bugfix: the "expires" directive did not remove the previous
+"Expires" and "Cache-Control" headers.
+*) Bugfix: nginx did not take into account trailing dot in "Host"
+header line.
+*) Bugfix: the ngx_http_auth_module did not work under Linux.
+*) Bugfix: the rewrite directive worked incorrectly, if the arguments
+were in a request.
+*) Bugfix: nginx could not be built on MacOS X.
+Changes with nginx 0.1.28                                        08 Apr 2005
+*) Bugfix: nginx hogs CPU while proxying the huge files.
+*) Bugfix: nginx could not be built by gcc 4.0 on Linux.
+Changes with nginx 0.1.27                                        28 Mar 2005
+*) Feature: the "blocked" parameter of the "valid_referers" directive.
+*) Change: the errors while handling the request header now logged at
+"info" level. The server name and the "Host" and "Referer" header
+lines also logged.
+*) Change: the "Host" header line is also logged in error log.
+*) Feature: the proxy_pass_unparsed_uri directive. The special handling
+of the "://" symbols in URI, appeared in 0.1.11 version, now is
+canceled.
+*) Bugfix: nginx could not be built on FreeBSD and Linux, if the
+--without-ngx_http_auth_basic_module configuration parameter was
+used.
+Changes with nginx 0.1.26                                        22 Mar 2005
+*) Change: the invalid client header lines are now ignored and logged
+at the info level.
+*) Change: the server name is also logged in error log.
+*) Feature: the ngx_http_auth_basic_module module and the auth_basic
+and auth_basic_user_file directives.
+Changes with nginx 0.1.25                                        19 Mar 2005
+*) Bugfix: nginx did run on Linux parisc.
+*) Feature: nginx now does not start under FreeBSD if the sysctl
+kern.ipc.somaxconn value is too big.
+*) Bugfix: if a request was internally redirected by the
+ngx_http_index_module module to the ngx_http_proxy_module or
+ngx_http_fastcgi_module modules, then the index file was not closed
+after request completion.
+*) Feature: the "proxy_pass" can be used in location with regular
+expression.
+*) Feature: the ngx_http_rewrite_filter_module module supports the
+condition like "if ($HTTP_USER_AGENT ~ MSIE)".
+*) Bugfix: nginx started too slow if the large number of addresses and
+text values were used in the "geo" directive.
+*) Change: a variable name must be declared as "$name" in the "geo"
+directive. The previous variant without "$" is still supported, but
+will be removed soon.
+*) Feature: the "%{VARIABLE}v" logging parameter.
+*) Feature: the "set $name value" directive.
+*) Bugfix: gcc 4.0 compatibility.
+*) Feature: the --with-openssl-opt=OPTIONS autoconfiguration directive.
+Changes with nginx 0.1.24                                        04 Mar 2005
+*) Feature: the ngx_http_ssi_filter_module supports the QUERY_STRING
+and DOCUMENT_URI variables.
+*) Bugfix: the ngx_http_autoindex_module may some times return the 404
+response for existent directory, if this directory was used in
+"alias" directive.
+*) Bugfix: the ngx_http_ssi_filter_module ran incorrectly for large
+responses.
+*) Bugfix: the lack of the "Referer" header line was always accounted
+as valid referrer.
+Changes with nginx 0.1.23                                        01 Mar 2005
+*) Feature: the ngx_http_ssi_filter_module and the ssi,
+ssi_silent_errors, and ssi_min_file_chunk directives. The 'echo
+var="HTTP_..." default=""' and 'echo var="REMOTE_ADDR"' commands are
+supported.
+*) Feature: the %request_time log parameter.
+*) Feature: if the request has no the "Host" header line, then the
+"proxy_preserve_host" directive set this header line to the first
+server name of the "server_name" directive.
+*) Bugfix: nginx could not be built on platforms different from i386,
+amd64, sparc, and ppc; the bug had appeared in 0.1.22.
+*) Bugfix: the ngx_http_autoindex_module now shows the information not
+about the symlink, but about file or directory it points to.
+*) Bugfix: the %apache_length parameter logged the negative length of
+the response header if the no response was transferred to a client.
+Changes with nginx 0.1.22                                        22 Feb 2005
+*) Bugfix: the ngx_http_stub_status_module showed incorrect handled
+connections statistics if the proxying or FastCGI server were used.
+*) Bugfix: the installation paths were incorrectly quoted on Linux and
+Solaris; the bug had appeared in 0.1.21.
+Changes with nginx 0.1.21                                        22 Feb 2005
+*) Bugfix: the ngx_http_stub_status_module showed incorrect statistics
+if "rtsig" method was used or if several worker process ran on SMP.
+*) Bugfix: nginx could not be built by the icc compiler on Linux or if
+the zlib-1.2.x library was building from sources.
+*) Bugfix: nginx could not be built on NetBSD 2.0.
+Changes with nginx 0.1.20                                        17 Feb 2005
+*) Feature: the new "script_filename" and "remote_port" parameters of
+the fastcgi_params directive.
+*) Bugfix: the FastCGI stderr stream was handled incorrectly.
+Changes with nginx 0.1.19                                        16 Feb 2005
+*) Bugfix: now, if request contains the zero, then the 404 error is
+returned for the local requests.
+*) Bugfix: nginx could not be built on NetBSD 2.0.
+*) Bugfix: the timeout may occur while reading of the the client
+request body via SSL connections.
+Changes with nginx 0.1.18                                        09 Feb 2005
+*) Workaround: the default values of the devpoll_events and the
+devpoll_changes directives changed from 512 to 32 to be compatible
+with Solaris 10.
+*) Bugfix: the proxy_set_x_var and fastcgi_set_var directives were not
+inherited.
+*) Bugfix: in a redirect rewrite directive arguments were concatenated
+with URI by an "&" rather than a "?".
+*) Bugfix: the lines without trailing ";" in the file being included by
+the ngx_http_geo_module were silently ignored.
+*) Feature: the ngx_http_stub_status_module.
+*) Bugfix: the unknown log format in the access_log directive caused
+the segmentation fault.
+*) Feature: the new "document_root" parameter of the fastcgi_params
+directive.
+*) Feature: the fastcgi_redirect_errors directive.
+*) Feature: the new "break" modifier of the "rewrite" directive allows
+to stop the rewrite/location cycle and sets the current
+configuration to the request.
+Changes with nginx 0.1.17                                        03 Feb 2005
+*) Change: the ngx_http_rewrite_module was rewritten from the scratch.
+Now it is possible to redirect, to return the error codes, to check
+the variables and referrers. The directives can be used inside
+locations. The redirect directive was canceled.
+*) Feature: the ngx_http_geo_module.
+*) Feature: the proxy_set_x_var and fastcgi_set_var directives.
+*) Bugfix: the location configuration with "=" modifier may be used in
+another location.
+*) Bugfix: the correct content type was set only for requests that use
+small caps letters in extension.
+*) Bugfix: if the proxy_pass or fastcgi_pass directives were set in the
+location, and access was denied, and the error was redirected to a
+static page, then the segmentation fault occurred.
+*) Bugfix: if in a proxied "Location" header was a relative URL, then a
+host name and a slash were added to them; the bug had appeared in
+0.1.14.
+*) Bugfix: the system error message was not logged on Linux.
+Changes with nginx 0.1.16                                        25 Jan 2005
+*) Bugfix: if the response were transferred by chunks, then on the HEAD
+request the final chunk was issued.
+*) Bugfix: the "Connection: keep-alive" header were issued, even if the
+keepalive_timeout directive forbade the keep-alive use.
+*) Bugfix: the errors in the ngx_http_fastcgi_module caused the
+segmentation faults.
+*) Bugfix: the compressed response encrypted by SSL may not transferred
+complete.
+*) Bugfix: the TCP-specific TCP_NODELAY, TCP_NOPSUH, and TCP_CORK
+options, are not used for the unix domain sockets.
+*) Feature: the rewrite directive supports the arguments rewriting.
+*) Bugfix: the response code 400 was returned for the POST request with
+the "Content-Length: 0" header; the bug had appeared in 0.1.14.
+Changes with nginx 0.1.15                                        19 Jan 2005
+*) Bugfix: the error while the connecting to the FastCGI server caused
+segmentation fault.
+*) Bugfix: the correct handling of the regular expression, that has
+different number of the captures and substitutions.
+*) Feature: the location, that is passed to the FastCGI server, can be
+regular expression.
+*) Bugfix: the FastCGI's parameter REQUEST_URI is now passed with the
+arguments and in the original state.
+*) Bugfix: the ngx_http_rewrite_module module was required to be built
+to use the regular expressions in locations.
+*) Bugfix: the directive "proxy_preserve_host  on" adds port 80 to the
+"Host" headers, if upstream listen on port 80; the bug had appeared
+in 0.1.14.
+*) Bugfix: the same paths in autoconfiguration parameters
+--http-client-body-temp-path=PATH and --http-proxy-temp-path=PATH,
+or --http-client-body-temp-path=PATH and
+--http-fastcgi-temp-path=PATH caused segmentation fault.
+Changes with nginx 0.1.14                                        18 Jan 2005
+*) Feature: the autoconfiguration directives:
+--http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and
+--http-fastcgi-temp-path=PATH
+*) Change: the directory name for the temporary files with the client
+request body is specified by directive client_body_temp_path, by
+default it is <prefix>/client_body_temp.
+*) Feature: the ngx_http_fastcgi_module and the directives:
+fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params,
+fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout,
+fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers,
+fastcgi_busy_buffers_size, fastcgi_temp_path,
+fastcgi_max_temp_file_size, fastcgi_temp_file_write_size,
+fastcgi_next_upstream, and fastcgi_x_powered_by.
+*) Bugfix: the "[alert] zero size buf" error; the bug had appeared in
+0.1.3.
+*) Change: the URI must be specified after the host name in the
+proxy_pass directive.
+*) Change: the %3F symbol in the URI was considered as the argument
+string start.
+*) Feature: the unix domain sockets support in the
+ngx_http_proxy_module.
+*) Feature: the ssl_engine and ssl_ciphers directives.
+Thanks to Sergey Skvortsov for SSL-accelerator.
+Changes with nginx 0.1.13                                        21 Dec 2004
+*) Feature: the server_names_hash and server_names_hash_threshold
+directives.
+*) Bugfix: the *.domain.tld names in the "server_name" directive did
+not work.
+*) Bugfix: the %request_length log parameter logged the incorrect
+length.
+Changes with nginx 0.1.12                                        06 Dec 2004
+*) Feature: the %request_length log parameter.
+*) Bugfix: when using the /dev/poll, select and poll on the platforms,
+where these methods may do the false reports, there may be the long
+delay when the request was passed via the keep-alive connection. It
+may be at least on Solaris when using the /dev/poll.
+*) Bugfix: the send_lowat directive is ignored on Linux because Linux
+does not support the SO_SNDLOWAT option.
+Changes with nginx 0.1.11                                        02 Dec 2004
+*) Feature: the worker_priority directive.
+*) Change: both tcp_nopush and tcp_nodelay directives affect the
+transferred response.
+*) Bugfix: nginx did not call initgroups().
+Thanks to Andrew Sitnikov and Andrei Nigmatulin.
+*) Change: now the ngx_http_autoindex_module shows the file size in the
+bytes.
+*) Bugfix: the ngx_http_autoindex_module returned the 500 error if the
+broken symlink was in a directory.
+*) Bugfix: the files bigger than 4G could not be transferred using
+sendfile.
+*) Bugfix: if the backend was resolved to several backends and there
+was an error while the response waiting then process may got caught
+in an endless loop.
+*) Bugfix: the worker process may exit with the "unknown cycle" message
+when the /dev/poll method was used.
+*) Bugfix: "close() channel failed" errors.
+*) Bugfix: the autodetection of the "nobody" and "nogroup" groups.
+*) Bugfix: the send_lowat directive did not work on Linux.
+*) Bugfix: the segmentation fault occurred if there was no events
+section in configuration.
+*) Bugfix: nginx could not be built on OpenBSD.
+*) Bugfix: the double slashes in "://" in the URI were converted to
+":/".
+Changes with nginx 0.1.10                                        26 Nov 2004
+*) Bugfix: if the request without arguments contains "//", "/./",
+"/../" or "%XX" then the lost character in the request line was
+lost; the bug had appeared in 0.1.9.
+*) Bugfix: the fix in 0.1.9 for the files bigger than 2G on Linux did
+not work.
+Changes with nginx 0.1.9                                         25 Nov 2004
+*) Bugfix: the proxied request was sent without arguments if the
+request contains "//", "/./", "/../" or "%XX".
+*) Bugfix: the large compressed responses may be transferred not
+completely.
+*) Bugfix: the files bigger than 2G was not transferred on Linux that
+does not support sendfile64().
+*) Bugfix: while the build configuration on Linux the
+--with-poll_module parameter was required; the bug had appeared in
+0.1.8.
+Changes with nginx 0.1.8                                         20 Nov 2004
+*) Bugfix: in the ngx_http_autoindex_module if the long file names were
+in the listing.
+*) Feature: the "^~" modifier in the location directive.
+*) Feature: the proxy_max_temp_file_size directive.
+Changes with nginx 0.1.7                                         12 Nov 2004
+*) Bugfix: on FreeBSD the segmentation fault may occur if the size of
+the transferred file was changed; the bug had appeared in 0.1.5.
+Changes with nginx 0.1.6                                         11 Nov 2004
+*) Bugfix: some location directive combinations with the regular
+expressions caused the wrong configuration choose.
+Changes with nginx 0.1.5                                         11 Nov 2004
+*) Bugfix: on Solaris and Linux there may be too many "recvmsg()
+returned not enough data" alerts.
+*) Bugfix: there were the "writev() failed (22: Invalid argument)"
+errors on Solaris in proxy mode without sendfile. On other platforms
+that do not support sendfile at all the process got caught in an
+endless loop.
+*) Bugfix: segmentation fault on Solaris in proxy mode and using
+sendfile.
+*) Bugfix: segmentation fault on Solaris.
+*) Bugfix: on-line upgrade did not work on Linux.
+*) Bugfix: the ngx_http_autoindex_module module did not escape the
+spaces, the quotes, and the percent signs in the directory listing.
+*) Change: the decrease of the copy operations.
+*) Feature: the userid_p3p directive.
+Changes with nginx 0.1.4                                         26 Oct 2004
+*) Bugfix: in the ngx_http_autoindex_module.
+Changes with nginx 0.1.3                                         25 Oct 2004
+*) Feature: the ngx_http_autoindex_module and the autoindex directive.
+*) Feature: the proxy_set_x_url directive.
+*) Bugfix: proxy module may get caught in an endless loop when sendfile
+is not used.
+Changes with nginx 0.1.2                                         21 Oct 2004
+*) Feature: the --user=USER, --group=GROUP, and --with-ld-opt=OPTIONS
+options in configure.
+*) Feature: the server_name directive supports *.domain.tld.
+*) Bugfix: the portability improvements.
+*) Bugfix: if configuration file was set in command line, the
+reconfiguration was impossible; the bug had appeared in 0.1.1.
+*) Bugfix: proxy module may get caught in an endless loop when sendfile
+is not used.
+*) Bugfix: with sendfile the response was not recoded according to the
+charset module directives; the bug had appeared in 0.1.1.
+*) Bugfix: very seldom bug in the kqueue processing.
+*) Bugfix: the gzip module compressed the proxied responses that was
+already compressed.
+Changes with nginx 0.1.1                                         11 Oct 2004
+*) Feature: the gzip_types directive.
+*) Feature: the tcp_nodelay directive.
+*) Feature: the send_lowat directive is working not only on OSes that
+support kqueue NOTE_LOWAT, but also on OSes that support SO_SNDLOWAT.
+*) Feature: the setproctitle() emulation for Linux and Solaris.
+*) Bugfix: the "Location" header rewrite bug fixed while the proxying.
+*) Bugfix: the ngx_http_chunked_module module may get caught in an
+endless loop.
+*) Bugfix: the /dev/poll module bugs fixed.
+*) Bugfix: the responses were corrupted when the temporary files were
+used while the proxying.
+*) Bugfix: the unescaped requests were passed to the backend.
+*) Bugfix: while the build configuration on Linux 2.4 the
+--with-poll_module parameter was required.
+Changes with nginx 0.1.0                                         04 Oct 2004
+*) The first public version.

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