<?xml version="1.0" encoding="ISO-8859-1"?> <!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><!-- XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX This file is generated from xml source: DO NOT EDIT XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX --> <title>mod_env - Apache HTTP Server</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 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="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p> <p class="apache">Apache HTTP Server Version 2.2</p> <img alt="" src="../images/feather.gif" /></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 2.2</a> > <a href="./">Modules</a></div> <div id="page-content"> <div id="preamble"><h1>Apache Module mod_env</h1> <div class="toplang"> <p><span>Available Languages: </span><a href="../en/mod/mod_env.html" title="English"> en </a> | <a href="../ja/mod/mod_env.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | <a href="../ko/mod/mod_env.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | <a href="../tr/mod/mod_env.html" hreflang="tr" rel="alternate" title="Türkçe"> tr </a></p> </div> <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Modifies the environment which is passed to CGI scripts and SSI pages</td></tr> <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr> <tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>env_module</td></tr> <tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_env.c</td></tr></table> <h3>Summary</h3> <p>This module allows for control of internal environment variables that are used by various Apache HTTP Server modules. These variables are also provided to CGI scripts as native system environment variables, and available for use in SSI pages. Environment variables may be passed from the shell which invoked the <code class="program"><a href="../programs/httpd.html">httpd</a></code> process. Alternatively, environment variables may be set or unset within the configuration process.</p> </div> <div id="quickview"><h3 class="directives">Directives</h3> <ul id="toc"> <li><img alt="" src="../images/down.gif" /> <a href="#passenv">PassEnv</a></li> <li><img alt="" src="../images/down.gif" /> <a href="#setenv">SetEnv</a></li> <li><img alt="" src="../images/down.gif" /> <a href="#unsetenv">UnsetEnv</a></li> </ul> <h3>See also</h3> <ul class="seealso"> <li><a href="../env.html">Environment Variables</a></li> <li><code class="directive"><a href="../mod/mod_setenvif.html#setenvif">SetEnvIf</a></code></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="PassEnv" id="PassEnv">PassEnv</a> <a name="passenv" id="passenv">Directive</a></h2> <table class="directive"> <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Passes environment variables from the shell</td></tr> <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>PassEnv <var>env-variable</var> [<var>env-variable</var>] ...</code></td></tr> <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr> <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr> <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr> </table> <p>Specifies one or more native system environment variables to make available as internal environment variables, which are available to Apache HTTP Server modules as well as propogated to CGI scripts and SSI pages. Values come from the native OS environment of the shell which invoked the <code class="program"><a href="../programs/httpd.html">httpd</a></code> process.</p> <div class="example"><h3>Example</h3><p><code> PassEnv LD_LIBRARY_PATH </code></p></div> </div> <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> <div class="directive-section"><h2><a name="SetEnv" id="SetEnv">SetEnv</a> <a name="setenv" id="setenv">Directive</a></h2> <table class="directive"> <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets environment variables</td></tr> <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>SetEnv <var>env-variable</var> <var>value</var></code></td></tr> <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr> <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr> <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr> </table> <p>Sets an internal environment variable, which is then available to Apache HTTP Server modules, and passed on to CGI scripts and SSI pages.</p> <div class="example"><h3>Example</h3><p><code> SetEnv SPECIAL_PATH /foo/bin </code></p></div> <div class="note"><p>The internal environment variables set by this directive are set <em>after</em> most early request processing directives are run, such as access control and URI-to-filename mapping. If the environment variable you're setting is meant as input into this early phase of processing such as the <code class="directive"><a href="../mod/mod_rewrite.html#rewriterule">RewriteRule</a></code> directive, you should instead set the environment variable with <code class="directive"><a href="../mod/mod_setenvif.html# setenvif"> SetEnvIf</a></code>.</p> </div> <h3>See also</h3> <ul> <li><a href="../env.html">Environment Variables</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="UnsetEnv" id="UnsetEnv">UnsetEnv</a> <a name="unsetenv" id="unsetenv">Directive</a></h2> <table class="directive"> <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Removes variables from the environment</td></tr> <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>UnsetEnv <var>env-variable</var> [<var>env-variable</var>] ...</code></td></tr> <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr> <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr> <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr> <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr> </table> <p>Removes one or more internal environment variables from those passed on to CGI scripts and SSI pages.</p> <div class="example"><h3>Example</h3><p><code> UnsetEnv LD_LIBRARY_PATH </code></p></div> </div> </div> <div class="bottomlang"> <p><span>Available Languages: </span><a href="../en/mod/mod_env.html" title="English"> en </a> | <a href="../ja/mod/mod_env.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | <a href="../ko/mod/mod_env.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> | <a href="../tr/mod/mod_env.html" hreflang="tr" rel="alternate" title="Türkçe"> tr </a></p> </div><div id="footer"> <p class="apache">Copyright 2012 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="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div> </body></html>