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Current File: //proc/3430793/root/usr/local/lsws/docs/VHWebSocket_Help.html
<!DOCTYPE html> <head> <meta charset="utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <title>OpenLiteSpeed Users' Manual - Web Socket Proxy</title> <meta name="description" content="OpenLiteSpeed Users' Manual - Web Socket Proxy." /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="robots" content="noindex"> <link rel="shortcut icon" href="img/favicon.ico" /> <link rel="stylesheet" type="text/css" href="css/hdoc.css"> </head> <body> <div class="pagewrapper clearfix"><aside class="sidetree ls-col-1-5"> <figure> <img src="img/ols_logo.svg" alt="openlitespeed logo" width="150px"/> </figure> <h2 class="ls-text-thin"> OpenLiteSpeed Web Server <a href="index.html"> Users' Manual</a> </h2> <h3 class="ls-text-muted">Version 1.7 — Rev. 26</h3> <hr/> <div> <ul> <li><a href="license.html">License</a></li> <li><a href="intro.html">Introduction</a></li> <li><a href="install.html">Installation</a></li> <li> <a href="admin.html">Administration</a> <ul class="level2"> <li><a href="ServerStat_Help.html">Service Manager</a></li> </ul> </li> <li><a href="security.html">Security</a></li> <li> <a href="config.html">Configuration</a> <ul class="level2"> <li><a href="ServGeneral_Help.html">Server General</a></li> <li><a href="ServLog_Help.html">Server Log</a></li> <li><a href="ServTuning_Help.html">Server Tuning</a></li> <li><a href="ServSecurity_Help.html">Server Security</a></li> <li><a href="ExtApp_Help.html">External Apps</a></li> <ul class="level3"> <li><a href="External_FCGI.html">Fast CGI App</a></li> <li><a href="External_FCGI_Auth.html">Fast CGI Authorizer</a></li> <li><a href="External_LSAPI.html">LSAPI App</a></li> <li><a href="External_Servlet.html">Servlet Engine</a></li> <li><a href="External_WS.html">Web Server</a></li> <li><a href="External_PL.html">Piped logger</a></li> <li><a href="External_LB.html">Load Balancer</a></li> </ul> <li><a href="ScriptHandler_Help.html">Script Handler</a></li> <li><a href="App_Server_Help.html">App Server Settings</a></li> <li><a href="Module_Help.html">Module Configuration</a></li> <li><a href="Listeners_General_Help.html">Listener General</a></li> <li><a href="Listeners_SSL_Help.html">Listener SSL</a></li> <li><a href="Templates_Help.html">Virtual Host Templates</a></li> <li><a href="VirtualHosts_Help.html">Virtual Host Basic</a></li> <li><a href="VHGeneral_Help.html">Virtual Host General</a></li> <li><a href="VHSecurity_Help.html">Virtual Host Security</a></li> <li><a href="VHSSL_Help.html">Virtual Host SSL</a></li> <li><a href="Rewrite_Help.html">Rewrite</a></li> <li><a href="Context_Help.html">Context</a></li> <ul class="level3"> <li><a href="Static_Context.html">Static Context</a></li> <li> <a href="Java_Web_App_Context.html">Java Web App Context</a> </li> <li><a href="Servlet_Context.html">Servlet Context</a></li> <li><a href="FCGI_Context.html">Fast CGI Context</a></li> <li><a href="LSAPI_Context.html">LSAPI Context</a></li> <li><a href="Proxy_Context.html">Proxy Context</a></li> <li><a href="CGI_Context.html">CGI Context</a></li> <li><a href="LB_Context.html">Load Balancer Context</a></li> <li><a href="Redirect_Context.html">Redirect Context</a></li> <li><a href="App_Server_Context.html">App Server Context</a></li> <li><a href="Module_Context.html">Module Handler Context</a></li> </ul> <li><span class="current"><a href="VHWebSocket_Help.html">Web Socket Proxy</a></span></li> </ul> </li> <li><a href="webconsole.html">Web Console</a> <ul class="level2"> <li><a href="AdminGeneral_Help.html">Admin Console General</a></li> <li><a href="AdminSecurity_Help.html">Admin Console Security</a></li> <li> <a href="AdminListeners_General_Help.html"> Admin Listener General </a> </li> <li> <a href="AdminListeners_SSL_Help.html">Admin Listener SSL</a> </li> </ul> </li> </ul> </div> </aside> <article class="contentwrapper ls-col-3-5 clearfix"><div class="nav-bar ls-spacer-micro-top"><div class="prev">« <a href="Context_Help.html">Context</a></div><div class="center"><a href="config.html">Configuration</a></div><div class="next"> </div></div> <h1>Web Socket Proxy</h1><section class="ls-spacer-small-bottom"><a href="http://en.wikipedia.org/wiki/WebSocket">WebSocket</a> is a protocol that can be used instead of HTTP to deliver real-time, bidirectional communication over the Internet. Starting with version 1.1.1, OpenLiteSpeed supports WebSocket backends through the use of WebSocket proxies. These proxies send the WebSocket communication to the appropriate backend stipulated in the {ITEM=wsaddr} field.</section> <h2 id="top">Table of Contents</h2><section class="toc"><section class="toc-row"><header>Web Socket Proxy</header><p> <a href="#wsuri">URI</a> | <a href="#wsaddr">Address</a></p></section> </section> <section><div class="helpitem"><article class="ls-helpitem"><div><header id="wsuri"><h3>URI<span class="ls-permlink"><a href="#wsuri"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>Specifies the URI(s) that will use this WebSocket backend. Traffic to this URI will only be forwarded to the WebSocket backend when it contains a WebSocket upgrade request. <br/><br/> Traffic without this upgrade request will automatically be forwarded to the Context that this URI belongs to. If no Context exists for this URI, LSWS will treat this traffic as though it is accessing a static context with the location <span class="val">$DOC_ROOT/URI</span>.</p> <h4>Syntax</h4><p>A plain URI (starting with "/"). If the URI ends with a "/", then this WebSocket backend will include all sub-URIs under this URI.</p> <h4>Example</h4><div class="ls-example">Using the WebSocket proxy in conjunction with a Context allows you to serve different kinds of traffic in different ways on the same page, thus optimizing performance. You can send WebSocket traffic to the WebSocket backend, while setting up a static context so that LSWS can serve the page's static content, or an LSAPI context so LSWS will serve PHP content (both of which LSWS does more efficiently than the WebSocket backend).</div></article> </div> <div class="helpitem"><article class="ls-helpitem"><div><header id="wsaddr"><h3>Address<span class="ls-permlink"><a href="#wsaddr"></a></span><span class="top"><a href="#top">⇑</a></span></h3></header></div><h4>Description</h4><p>A unique socket address used by the WebSocket backend. IPv4 sockets, IPv6 sockets, and Unix Domain Sockets (UDS) are supported. IPv4 and IPv6 sockets can be used for communication over the network. UDS can only be used when the WebSocket backend resides on the same machine as the server.</p> <h4>Syntax</h4><p>IPv4/IPv6 address:port, UDS://path, or unix:path</p> <h4>Example</h4><div class="ls-example">127.0.0.1:5434 <br/> UDS://tmp/lshttpd/php.sock<br/> unix:/tmp/lshttpd/php.sock</div><h4>Tips</h4><p><span title="Security" class="ls-icon-security"></span> If the WebSocket backend runs on the same machine, UDS is preferred. If you have to use an IPv4 or IPv6 socket, set the IP address to localhost or 127.0.0.1, so the WebSocket backend is inaccessible from other machines.<br/> <span title="Performance" class="ls-icon-performance"></span> Unix Domain Sockets generally provide higher performance than IPv4 or IPv6 sockets.</p> </article> </div> </section> </article><div class="ls-col-1-1"><footer class="copyright">Copyright © 2013-2020. <a href="https://www.litespeedtech.com">LiteSpeed Technologies Inc.</a> All rights reserved.</footer> </div></div> </body> </html>
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