diff options
Diffstat (limited to '')
| -rw-r--r-- | docs/manual/mod/mod_proxy_http2.html.en | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/docs/manual/mod/mod_proxy_http2.html.en b/docs/manual/mod/mod_proxy_http2.html.en new file mode 100644 index 0000000..3153959 --- /dev/null +++ b/docs/manual/mod/mod_proxy_http2.html.en @@ -0,0 +1,156 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head> +<meta content="text/html; charset=UTF-8" http-equiv="Content-Type" /> +<!-- + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + This file is generated from xml source: DO NOT EDIT + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + --> +<title>mod_proxy_http2 - Apache HTTP Server Version 2.4</title> +<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> +<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> +<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="../style/css/prettify.css" /> +<script src="../style/scripts/prettify.min.js" type="text/javascript"> +</script> + +<link href="../images/favicon.ico" rel="shortcut icon" /></head> +<body> +<div id="page-header"> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p> +<p class="apache">Apache HTTP Server Version 2.4</p> +<img alt="" src="../images/feather.png" /></div> +<div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div> +<div id="path"> +<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.4</a> > <a href="./">Modules</a></div> +<div id="page-content"> +<div id="preamble"><h1>Apache Module mod_proxy_http2</h1> +<div class="toplang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_proxy_http2.html" title="English"> en </a> | +<a href="../fr/mod/mod_proxy_http2.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +</div> +<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>HTTP/2 support module for +<code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code></td></tr> +<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr> +<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>proxy_http2_module</td></tr> +<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_proxy_http2.c</td></tr> +<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in httpd 2.4.19 and later</td></tr></table> +<h3>Summary</h3> + + <p><code class="module"><a href="../mod/mod_proxy_http2.html">mod_proxy_http2</a></code> + supports HTTP/2 only, it does <em>not</em> + provide any downgrades to HTTP/1.1. This means that the backend + needs to support HTTP/2 because HTTP/1.1 will not be used instead.</p> + + <p>This module <em>requires</em> the service of <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code>, so in order to get the ability of + handling HTTP/2 proxy requests, + <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code> and <code class="module"><a href="../mod/mod_proxy_http2.html">mod_proxy_http2</a></code> + need to be both loaded by the server.</p> + + <p><code class="module"><a href="../mod/mod_proxy_http2.html">mod_proxy_http2</a></code> works with incoming fronted requests + using HTTP/1.1 or HTTP/2. In both cases, requests proxied + to the same backend are sent over a single TCP connection + whenever possible (namely when the connection can be re-used).</p> + + <p>Caveat: there will be no attempt to consolidate multiple HTTP/1.1 + frontend requests (configured to be proxied to the same backend) + into HTTP/2 streams belonging to the same HTTP/2 request. + Each HTTP/1.1 frontend request will be proxied to the backend using + a separate HTTP/2 request (trying to re-use the same TCP connection + if possible).</p> + + <p>This module relies on <a href="http://nghttp2.org/">libnghttp2</a> + to provide the core http/2 engine.</p> + + <div class="warning"><h3>Warning</h3> + <p>This module is experimental. Its behaviors, directives, and + defaults are subject to more change from release to + release relative to other standard modules. Users are encouraged to + consult the "CHANGES" file for potential updates.</p> + </div> + + <div class="warning"><h3>Warning</h3> + <p>Do not enable proxying until you have <a href="mod_proxy.html#access">secured your server</a>. Open proxy + servers are dangerous both to your network and to the Internet at + large.</p> + </div> +</div> +<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3>Topics</h3> +<ul id="topics"> +<li><img alt="" src="../images/down.gif" /> <a href="#examples">Basic Examples</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#notes">Request notes</a></li> +</ul><h3 class="directives">Directives</h3> +<p>This module provides no + directives.</p> +<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_proxy_http2">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_proxy_http2">Report a bug</a></li></ul><h3>See also</h3> +<ul class="seealso"> +<li><code class="module"><a href="../mod/mod_http2.html">mod_http2</a></code></li> +<li><code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code></li> +<li><code class="module"><a href="../mod/mod_proxy_connect.html">mod_proxy_connect</a></code></li> +<li><a href="#comments_section">Comments</a></li></ul></div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="examples" id="examples">Basic Examples</a></h2> + + <p>The examples below demonstrate how to configure HTTP/2 for + backend connections for a reverse proxy. </p> + + <div class="example"><h3>HTTP/2 (TLS)</h3><pre class="prettyprint lang-config">ProxyPass "/app" "h2://app.example.com" +ProxyPassReverse "/app" "https://app.example.com"</pre> +</div> + + <div class="example"><h3>HTTP/2 (cleartext)</h3><pre class="prettyprint lang-config">ProxyPass "/app" "h2c://app.example.com" +ProxyPassReverse "/app" "http://app.example.com"</pre> +</div> + + <div class="note"> + <p>The schemes to configure above in + <code class="directive">ProxyPassReverse</code> for reverse proxying + <code>h2</code> (or <code>h2c</code>) protocols are the usual + <code>https</code> (resp. <code>http</code>) as expected/used by + the user agent.</p> + </div> + </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="notes" id="notes">Request notes</a></h2> + <p><code class="module"><a href="../mod/mod_proxy_http.html">mod_proxy_http</a></code> creates the following request notes for + logging using the <code>%{VARNAME}n</code> format in + <code class="directive"><a href="../mod/mod_log_config.html#logformat">LogFormat</a></code> or + <code class="directive"><a href="../mod/core.html#errorlogformat">ErrorLogFormat</a></code>: + </p> + <dl> + <dt>proxy-source-port</dt> + <dd>The local port used for the connection to the backend server.</dd> + <dt>proxy-status</dt> + <dd>The HTTP/2 status received from the backend server.</dd> + </dl> +</div> +</div> +<div class="bottomlang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_proxy_http2.html" title="English"> en </a> | +<a href="../fr/mod/mod_proxy_http2.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +</div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Libera.chat, or sent to our <a href="https://httpd.apache.org/lists.html">mailing lists</a>.</div> +<script type="text/javascript"><!--//--><![CDATA[//><!-- +var comments_shortname = 'httpd'; +var comments_identifier = 'http://httpd.apache.org/docs/2.4/mod/mod_proxy_http2.html'; +(function(w, d) { + if (w.location.hostname.toLowerCase() == "httpd.apache.org") { + d.write('<div id="comments_thread"><\/div>'); + var s = d.createElement('script'); + s.type = 'text/javascript'; + s.async = true; + s.src = 'https://comments.apache.org/show_comments.lua?site=' + comments_shortname + '&page=' + comments_identifier; + (d.getElementsByTagName('head')[0] || d.getElementsByTagName('body')[0]).appendChild(s); + } + else { + d.write('<div id="comments_thread">Comments are disabled for this page at the moment.<\/div>'); + } +})(window, document); +//--><!]]></script></div><div id="footer"> +<p class="apache">Copyright 2023 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div><script type="text/javascript"><!--//--><![CDATA[//><!-- +if (typeof(prettyPrint) !== 'undefined') { + prettyPrint(); +} +//--><!]]></script> +</body></html>
\ No newline at end of file |