137 lines
7.3 KiB
HTML
137 lines
7.3 KiB
HTML
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<!-- BeginDsi "dsi/head.html" -->
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>Embedthis Appweb 4.3.4 Documentation</title>
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<meta name="keywords" content="embedded web server, web server software, embedded HTTP, application web server,
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embedded server, small web server, HTTP server, library web server, library HTTP, HTTP library" />
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<meta name="description" content="Embedthis Sofware provides commercial and open source embedded web servers for
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devices and applications." />
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<meta name="robots" content="index,follow" />
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<link href="../../../doc.css" rel="stylesheet" type="text/css" />
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<link href="../../../print.css" rel="stylesheet" type="text/css" media="print"/>
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<!--[if IE]>
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<link href="../../../iehacks.css" rel="stylesheet" type="text/css" />
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<![endif]-->
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<link href="http://www.google.com/cse/style/look/default.css" type="text/css" rel="stylesheet" />
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</head>
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<body>
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<div class="top">
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<a class="logo" href="http://appwebserver.org/"> </a>
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<div class="topRight">
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<div class="search">
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<div id="cse-search-form"></div>
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<div class="version">Embedthis Appweb 4.3.4</div>
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</div>
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</div>
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<div class="crumbs">
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<a href="../../../index.html">Home</a>
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<!-- EndDsi -->
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> <a href="index.html">Users Guide</a> > <b>Ports</b>
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</div>
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</div>
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<div class="content">
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<div class="contentRight">
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<!-- BeginDsi "dsi/usersGuideSeeAlso.html" -->
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<h1>See Also</h1>
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<ul class="nav">
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<li><a href="../../../guide/appweb/users/index.html">User Guide Overview</a></li>
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<li><a href="../../../guide/appweb/users/configuration.html">Configuring Appweb</a></li>
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<li><a href="../../../guide/appweb/users/ports.html">Ports and Binding</a></li>
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<li><a href="../../../guide/appweb/users/lang.html">Multi-Language Support</a></li>
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<li><a href="../../../guide/appweb/users/authentication.html">User Authorization</a></li>
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<li><a href="../../../guide/appweb/users/logFiles.html">Log Files</a></li>
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<li><a href="../../../guide/appweb/users/vhosts.html">Virtual Hosts</a></li>
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<li><a href="../../../guide/appweb/users/security.html">Security Considerations</a></li>
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<li><a href="../../../guide/appweb/users/ssl.html">SSL</a></li>
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<li><a href="../../../guide/appweb/users/modules.html">Appweb Modules</a></li>
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<li><a href="../../../guide/appweb/users/stages.html">Pipeline Stages</a></li>
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<li><a href="../../../guide/appweb/users/client.html">HTTP Client</a></li>
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<li><a href="../../../guide/appweb/users/webSockets.html">WebSockets</a></li>
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<li><a href="../../../guide/appweb/users/frameworks.html">Web Frameworks</a></li>
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<li><a href="../../../ref/appweb/architecture.html">Appweb Architecture</a></li>
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</ul>
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<!-- EndDsi -->
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</div>
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<div class="contentLeft">
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<h1>Ports and Binding</h1>
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<p>Appweb can listen for HTTP requests on multiple IP addresses and ports. Incoming requests may be served
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by a single server, or they may be processed by different logical servers often called virtual hosts. The
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process of opening TCP/IP ports to listen for requests is called binding. By default, Appweb will listen on
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all the interface network cards in the system, but the Appweb configuration file allows explicit control
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over which interfaces, IP addresses and ports are used.</p>
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<h2 class="section">Listen Directive</h2>
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<p>The <a href="dir/server.html#listen">Listen</a> configuration file directive specifies the IP endpoints
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on which Appweb will listen for incoming HTTP requests. It takes the form:</p>
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<pre>
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Listen [IP][:PORT]
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</pre>
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<p>The IP address and port components are optional, but at least one must be present. If the IP address is
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absent, Appweb will listen on all network interfaces including the loop-back adapter. If the PORT is
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absent, Appweb will listen on the default port which is typically configured to be port 80.</p>For example:
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<pre>
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Listen 80
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Listen 209.108.201.67:8888
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Listen 209.108.201.68
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</pre>
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<h2 class="section">IPv6</h2>
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<p>Appweb will listen on both IPv4 and IPv6 endpoints. To specify IPv6 endpoints you need to use IPv6
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encoding. IPv6 addresses have eight colon separated segments. For example:</p>
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<pre>
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2001:0db8:85a3:08d3:1319:8a2e:0370:7348
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</pre>
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<p>Because IPv6 addresses contain a colon character, you need to enclose the IPv6 address in brackets if
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you want to also specify a network port when using the Listen directive.</p>
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<pre>
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Listen [2001:0db8:85a3:08d3:1319:8a2e:0370:7348]:7777
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</pre>
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<p>This notation is also used in http addresses:</p>
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<pre>
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http://[2001:0db8:85a3:08d3:1319:8a2e:0370:7348]:7777/
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</pre>
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<p>These two documents are useful IPv6 references:</p>
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<ul>
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<li><a href="http://www.enterprisenetworkingplanet.com/netsp/article.php/3633211">Understand IPv6
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Addresses</a></li>
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<li><a href="http://en.wikipedia.org/wiki/IPv6">Wikipedia IPv6</a></li>
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</ul>
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<h2 class="section">Virtual Hosts</h2>
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<p>When a Listen directive is defined inside a Virtual Host, all requests on that endpoint will be managed
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by the directives inside the VirtualHost block. See the <a href=
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"dir/vhost.html#virtualHost">VirtualHost</a> configuration file directive for more information.</p>
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</div>
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</div>
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<!-- BeginDsi "dsi/bottom.html" -->
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<div class="bottom">
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<p class="footnote">
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<a href="../../../product/copyright.html" >© Embedthis Software LLC, 2003-2013.
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All rights reserved. Embedthis, Appweb, ESP, Ejscript and Embedthis GoAhead are trademarks of Embedthis Software LLC.</a>
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</p>
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</div>
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<script src="http://www.google.com/jsapi" type="text/javascript"></script>
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<script type="text/javascript">
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customSearchControl.setResultSetSize(google.search.Search.FILTERED_CSE_RESULTSET);
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var options = new google.search.DrawOptions();
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</html>
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