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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-25 04:41:27 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-25 04:41:27 +0000 |
| commit | c54018b07a9085c0a3aedbc2bd01a85a3b3e20cf (patch) | |
| tree | f6e1d6fcf9f6db3794c418b2f89ecf9e08ff41c8 /docs/manual/mod/mod_proxy_wstunnel.html.en | |
| parent | Adding debian version 2.4.38-3+deb10u10. (diff) | |
| download | apache2-c54018b07a9085c0a3aedbc2bd01a85a3b3e20cf.tar.xz apache2-c54018b07a9085c0a3aedbc2bd01a85a3b3e20cf.zip | |
Merging upstream version 2.4.59.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/manual/mod/mod_proxy_wstunnel.html.en')
| -rw-r--r-- | docs/manual/mod/mod_proxy_wstunnel.html.en | 87 |
1 files changed, 70 insertions, 17 deletions
diff --git a/docs/manual/mod/mod_proxy_wstunnel.html.en b/docs/manual/mod/mod_proxy_wstunnel.html.en index b5a03f4..c5004b8 100644 --- a/docs/manual/mod/mod_proxy_wstunnel.html.en +++ b/docs/manual/mod/mod_proxy_wstunnel.html.en @@ -1,7 +1,7 @@ -<?xml version="1.0" encoding="ISO-8859-1"?> +<?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=ISO-8859-1" http-equiv="Content-Type" /> +<meta content="text/html; charset=UTF-8" http-equiv="Content-Type" /> <!-- XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX This file is generated from xml source: DO NOT EDIT @@ -27,17 +27,24 @@ <div id="preamble"><h1>Apache Module mod_proxy_wstunnel</h1> <div class="toplang"> <p><span>Available Languages: </span><a href="../en/mod/mod_proxy_wstunnel.html" title="English"> en </a> | -<a href="../fr/mod/mod_proxy_wstunnel.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +<a href="../fr/mod/mod_proxy_wstunnel.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>Websockets 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_wstunnel_module</td></tr> -<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_proxy_wstunnel.c</td></tr> +<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>proxy_wstunnel_module</td></tr> +<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_proxy_wstunnel.c</td></tr> <tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in httpd 2.4.5 and later</td></tr></table> <h3>Summary</h3> - <p>This module <em>requires</em> the service of <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code>. It provides support for the tunnelling of web + <div class="warning"><h3><a id="deprecation" name="deprecation">Deprecation</a></h3> + <p>Since Apache HTTP Server 2.4.47, protocol Upgrade (tunneling) can be better handled by + <code class="module"><a href="../mod/mod_proxy_http.html">mod_proxy_http</a></code>.</p> + <p>See <a href="mod_proxy.html#protoupgrade">Protocol Upgrade</a>.</p> + </div> + + <p>This module <em>requires</em> the service of <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code>. + It provides support for the tunnelling of web socket connections to a backend websockets server. The connection is automatically upgraded to a websocket connection:</p> @@ -51,28 +58,74 @@ Connection: Upgrade</pre> ProxyPass "/wss2/" "wss://echo.websocket.org/"</pre> + <p>Proxying both HTTP and websockets at the same time, with a specific set of URL's being +websocket-only, can be done by specifying the websockets +<code class="directive"><a href="../mod/mod_proxy.html#proxypass">ProxyPass</a></code> directive before the +HTTP directive:</p> +<pre class="prettyprint lang-config">ProxyPassMatch ^/(myApp/ws)$ ws://backend.example.com:9080/$1 +ProxyPass / http://backend.example.com:9080/</pre> + + +<p>Proxying both HTTP and websockets at the same time, where the websockets URL's are not +websocket-only or not known in advance can be done by using the +<code class="directive"><a href="../mod/mod_rewrite.html#rewriterule">RewriteRule</a></code> directive to +configure the websockets proxying:</p> +<pre class="prettyprint lang-config">ProxyPass / http://example.com:9080/ +RewriteEngine on +RewriteCond %{HTTP:Upgrade} websocket [NC] +RewriteCond %{HTTP:Connection} upgrade [NC] +RewriteRule ^/?(.*) "ws://example.com:9080/$1" [P,L]</pre> + + + <p>Load balancing for multiple backends can be achieved using <code class="module"><a href="../mod/mod_proxy_balancer.html">mod_proxy_balancer</a></code>.</p> -<p>In fact the module can be used to upgrade to other protocols, you can set the <code>upgrade</code> -parameter in the <code class="directive"><a href="../mod/mod_proxy.html#proxypass">ProxyPass</a></code> -directive to allow the module to accept other protocol. -NONE means you bypass the check for the header but still upgrade to WebSocket. -ANY means that <code>Upgrade</code> will read in the request headers and use -in the response <code>Upgrade</code></p> +<p> +The module can also be used to upgrade to other protocols than WebSocket, by setting +the <var><a href="mod_proxy.html#upgrade">upgrade</a></var> parameter in the +<code class="directive"><a href="../mod/mod_proxy.html#proxypass">ProxyPass</a></code> +directive to some custom protocol name. +Special <code>upgrade=NONE</code> and <code>upgrade=ANY</code> values may be used for +testing/forcing the upgrade but they are <strong>not recommended</strong> in production for +security reasons. +<code>NONE</code> means that the check for the header is omitted but still the upgrade/tunneling to +WebSocket always happens. +<code>ANY</code> means that the upgrade/tunneling will happen using any protocol asked by the client. +</p> </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 class="directives">Directives</h3> -<p>This module provides no - directives.</p> +<ul id="toc"> +<li><img alt="" src="../images/down.gif" /> <a href="#proxywebsocketfallbacktoproxyhttp">ProxyWebsocketFallbackToProxyHttp</a></li> +</ul> <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_wstunnel">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_proxy_wstunnel">Report a bug</a></li></ul><h3>See also</h3> <ul class="seealso"> <li><code class="module"><a href="../mod/mod_proxy.html">mod_proxy</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="directive-section"><h2><a name="ProxyWebsocketFallbackToProxyHttp" id="ProxyWebsocketFallbackToProxyHttp">ProxyWebsocketFallbackToProxyHttp</a> <a name="proxywebsocketfallbacktoproxyhttp" id="proxywebsocketfallbacktoproxyhttp">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Instructs this module to let <code class="module"><a href="../mod/mod_proxy_http.html">mod_proxy_http</a></code> handle the request</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ProxyWebsocketFallbackToProxyHttp On|Off</code></td></tr> +<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>ProxyWebsocketFallbackToProxyHttp On</code></td></tr> +<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr> +<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_proxy_wstunnel</td></tr> +<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in httpd 2.4.48 and later</td></tr> +</table> + <p>Since httpd 2.4.47, <code class="module"><a href="../mod/mod_proxy_http.html">mod_proxy_http</a></code> can handle WebSocket + upgrading and tunneling in accordance to RFC 7230, this directive controls + whether <code class="module"><a href="../mod/mod_proxy_wstunnel.html">mod_proxy_wstunnel</a></code> should hand over to + <code class="module"><a href="../mod/mod_proxy_http.html">mod_proxy_http</a></code> to this, which is the case by default.</p> + <p>Setting to <em>Off</em> lets <code class="module"><a href="../mod/mod_proxy_wstunnel.html">mod_proxy_wstunnel</a></code> handle + WebSocket requests as in httpd 2.4.46 and earlier.</p> + +</div> </div> <div class="bottomlang"> <p><span>Available Languages: </span><a href="../en/mod/mod_proxy_wstunnel.html" title="English"> en </a> | -<a href="../fr/mod/mod_proxy_wstunnel.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 again 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 Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div> +<a href="../fr/mod/mod_proxy_wstunnel.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_wstunnel.html'; @@ -90,7 +143,7 @@ var comments_identifier = 'http://httpd.apache.org/docs/2.4/mod/mod_proxy_wstunn } })(window, document); //--><!]]></script></div><div id="footer"> -<p class="apache">Copyright 2019 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="apache">Copyright 2024 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(); |