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view docs/xml/change_log_conf.xml @ 6428:545b5e4d83b2

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Upstream: avoid closing client connection in edge case. If proxy_cache is enabled, and proxy_no_cache tests true, it was previously possible for the client connection to be closed after a 304. The fix is to recheck r->header_only after the final cacheability is determined, and end the request if no longer cacheable. Example configuration: proxy_cache foo; proxy_cache_bypass 1; proxy_no_cache 1; If a client sends If-None-Match, and the upstream server returns 200 with a matching ETag, no body should be returned to the client. At the start of ngx_http_upstream_send_response proxy_no_cache is not yet tested, thus cacheable is still 1 and downstream_error is set. However, by the time the downstream_error check is done in process_request, proxy_no_cache has been tested and cacheable is set to 0. The client connection is then closed, regardless of keepalive.
author Justin Li <jli.justinli@gmail.com>
date Tue, 08 Mar 2016 22:31:55 -0500
parents 76bc29f06168
children
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<?xml version="1.0" ?>
<!DOCTYPE configuration SYSTEM "../dtd/change_log_conf.dtd" >

<configuration>

<length>76</length>

<start>    *) </start>
<indent>       </indent>

<changes lang="ru">
    <title>Изменения в </title>
    <length>66</length>

    <bugfix>Исправление</bugfix>
    <feature>Добавление</feature>
    <change>Изменение</change>
    <security>Безопасность</security>
    <workaround>Изменение</workaround>
</changes>

<changes lang="en">
    <title>Changes with </title>
    <length>65</length>

    <bugfix>Bugfix</bugfix>
    <feature>Feature</feature>
    <change>Change</change>
    <security>Security</security>
    <workaround>Workaround</workaround>

    <month> Jan </month>
    <month> Feb </month>
    <month> Mar </month>
    <month> Apr </month>
    <month> May </month>
    <month> Jun </month>
    <month> Jul </month>
    <month> Aug </month>
    <month> Sep </month>
    <month> Oct </month>
    <month> Nov </month>
    <month> Dec </month>

</changes>

</configuration>