Mercurial > hg > nginx-site
annotate xml/ru/docs/http/ngx_http_spdy_module.xml @ 2769:16f6fa718be2
Updated TLSv1.3 support notes.
Previous notes described some early development snapshot of OpenSSL 1.1.1
with disabled TLSv1.3 by default. It was then enabled in the first alpha.
Further, the updated text covers later major releases such as OpenSSL 3.0.
| author | Sergey Kandaurov <pluknet@nginx.com> |
|---|---|
| date | Thu, 30 Sep 2021 16:29:20 +0300 |
| parents | 5ea0a0ff7271 |
| children | 9a8d15333a58 |
| rev | line source |
|---|---|
| 869 | 1 <?xml version="1.0"?> |
| 2 | |
| 3 <!-- | |
| 4 Copyright (C) Nginx, Inc. | |
| 5 --> | |
| 6 | |
| 7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> | |
| 8 | |
| 9 <module name="Модуль ngx_http_spdy_module" | |
| 10 link="/ru/docs/http/ngx_http_spdy_module.html" | |
| 11 lang="ru" | |
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12 rev="10"> |
| 869 | 13 |
| 14 <section id="summary"> | |
| 15 | |
| 16 <para> | |
| 17 Модуль <literal>ngx_http_spdy_module</literal> обеспечивает экспериментальную | |
| 18 поддержку <link url="http://www.chromium.org/spdy/spdy-protocol">SPDY</link>. | |
| 19 В настоящий момент реализован | |
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20 <link url="http://www.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3-1">draft |
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21 3.1</link> протокола SPDY. |
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22 <note> |
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23 До версии 1.5.10 был реализован |
| 869 | 24 <link url="http://www.chromium.org/spdy/spdy-protocol/spdy-protocol-draft2">draft |
| 25 2</link> протокола SPDY. | |
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26 </note> |
| 869 | 27 </para> |
| 28 | |
| 29 <para> | |
| 30 По умолчанию этот модуль не собирается, его сборку необходимо | |
| 31 разрешить с помощью конфигурационного параметра | |
| 32 <literal>--with-http_spdy_module</literal>. | |
| 33 </para> | |
| 34 | |
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35 <para> |
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36 <note> |
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37 Этот модуль был заменён модулем |
| 1719 | 38 <link doc="ngx_http_v2_module.xml">ngx_http_v2_module</link> |
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39 в версии 1.9.5. |
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40 </note> |
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41 </para> |
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42 |
| 869 | 43 </section> |
| 44 | |
| 45 | |
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46 <section id="issues" name="Известные проблемы"> |
| 869 | 47 |
| 48 <para> | |
| 49 Модуль экспериментальный, поэтому возможно всё. | |
| 50 </para> | |
| 51 | |
| 52 <para> | |
| 53 Текущая реализация протокола SPDY не поддерживает server push. | |
| 54 </para> | |
| 55 | |
| 56 <para> | |
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57 До версии 1.5.9 скорость передачи ответа клиенту в SPDY-соединении не могла быть |
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58 <link doc="ngx_http_core_module.xml" id="limit_rate">ограничена</link>. |
| 869 | 59 </para> |
| 60 | |
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61 <para> |
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62 Буферизация тела запроса клиента не может быть выключена |
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63 независимо от значения директив |
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64 <link doc="ngx_http_proxy_module.xml" id="proxy_request_buffering"/>, |
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65 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_request_buffering"/>, |
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66 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_request_buffering"/> и |
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67 <link doc="ngx_http_scgi_module.xml" id="scgi_request_buffering"/>. |
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68 </para> |
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69 |
| 869 | 70 </section> |
| 71 | |
| 72 | |
| 73 <section id="example" name="Пример конфигурации"> | |
| 74 | |
| 75 <para> | |
| 76 <example> | |
| 77 server { | |
| 78 listen 443 ssl spdy; | |
| 79 | |
| 80 ssl_certificate server.crt; | |
| 81 ssl_certificate_key server.key; | |
| 82 ... | |
| 83 } | |
| 84 </example> | |
| 85 <note> | |
| 86 Для того чтобы одновременно принимать | |
| 87 <link doc="ngx_http_ssl_module.xml">HTTPS</link> и | |
| 88 SPDY соединения на том же порту, | |
| 89 используемая библиотека <link url="http://www.openssl.org">OpenSSL</link> | |
| 90 должна поддерживать расширение Next Protocol Negotiation протокола TLS, | |
| 91 доступное с версии OpenSSL 1.0.1. | |
| 92 </note> | |
| 93 </para> | |
| 94 | |
| 95 </section> | |
| 96 | |
| 97 | |
| 98 <section id="directives" name="Директивы"> | |
| 99 | |
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100 <directive name="spdy_chunk_size"> |
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101 <syntax><value>размер</value></syntax> |
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102 <default>8k</default> |
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103 <context>http</context> |
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104 <context>server</context> |
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105 <context>location</context> |
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106 <appeared-in>1.5.9</appeared-in> |
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107 |
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108 <para> |
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109 Задаёт максимальный размер частей, |
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110 на которые будет |
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111 <link url="http://www.chromium.org/spdy/spdy-protocol/spdy-protocol-draft2#TOC-Data-frames"> |
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112 разделяться</link> тело ответа. |
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113 Слишком маленькое значение может |
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114 привести к росту накладных расходов. |
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115 Слишком большое значение может |
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116 негативно сказаться на приоритизации из-за |
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117 <link url="http://en.wikipedia.org/wiki/Head-of-line_blocking"> |
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118 блокировки очереди</link>. |
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119 </para> |
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120 |
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121 </directive> |
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122 |
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123 |
| 869 | 124 <directive name="spdy_headers_comp"> |
| 125 <syntax><value>степень</value></syntax> | |
| 126 <default>0</default> | |
| 127 <context>http</context> | |
| 128 <context>server</context> | |
| 129 | |
| 130 <para> | |
| 131 Устанавливает <value>степень</value> сжатия заголовков ответа | |
| 132 в диапазоне от 1 (быстрее, но хуже сжатие) до 9 (медленнее, лучшее сжатие). | |
| 133 Специальное значение 0 отключает сжатие заголовков. | |
| 134 </para> | |
| 135 | |
| 136 </directive> | |
| 137 | |
| 138 </section> | |
| 139 | |
| 140 | |
| 141 <section id="variables" name="Встроенные переменные"> | |
| 142 | |
| 143 <para> | |
| 144 Модуль <literal>ngx_http_spdy_module</literal> | |
| 145 поддерживает следующие встроенные переменные: | |
| 146 <list type="tag" compact="no"> | |
| 147 | |
| 148 <tag-name id="var_spdy"><var>$spdy</var></tag-name> | |
| 149 <tag-desc> | |
| 150 версия протокола SPDY для SPDY-соединений, | |
| 151 либо пустая строка; | |
| 152 </tag-desc> | |
| 153 | |
| 154 <tag-name id="var_spdy_request_priority"><var>$spdy_request_priority</var> | |
| 155 </tag-name> | |
| 156 <tag-desc> | |
| 157 приоритет запроса для SPDY-соединений, | |
| 158 либо пустая строка. | |
| 159 </tag-desc> | |
| 160 | |
| 161 </list> | |
| 162 </para> | |
| 163 | |
| 164 </section> | |
| 165 | |
| 166 </module> |