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<title>mod_env - Apache HTTP Server</title>
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<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>
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<p class="apache">Apache HTTP Server Version 2.2</p>
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<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>
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<div id="page-content">
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<div id="preamble"><h1>Apache Module mod_env</h1>
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<p><span>Available Languages: </span><a href="../en/mod/mod_env.html" title="English"> en </a> |
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<a href="../ja/mod/mod_env.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
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<a href="../ko/mod/mod_env.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
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<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
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<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr>
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<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>env_module</td></tr>
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<tr><th><a href="module-dict.html#SourceFile">Source�File:</a></th><td>mod_env.c</td></tr></table>
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<p>This module allows for control of the environment that will
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be provided to CGI scripts and SSI pages. Environment variables
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may be passed from the shell which invoked the <code class="program"><a href="../programs/httpd.html">httpd</a></code>
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process. Alternatively, environment variables may be set or unset within
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the configuration process.</p>
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<div id="quickview"><h3 class="directives">Directives</h3>
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<li><img alt="" src="../images/down.gif" /> <a href="#passenv">PassEnv</a></li>
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<li><img alt="" src="../images/down.gif" /> <a href="#setenv">SetEnv</a></li>
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<li><img alt="" src="../images/down.gif" /> <a href="#unsetenv">UnsetEnv</a></li>
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<li><a href="../env.html">Environment Variables</a></li>
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<div class="directive-section"><h2><a name="PassEnv" id="PassEnv">PassEnv</a> <a name="passenv" id="passenv">Directive</a></h2>
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<table class="directive">
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<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Passes environment variables from the shell</td></tr>
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<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>PassEnv <var>env-variable</var> [<var>env-variable</var>]
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<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
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<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
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<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr>
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<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr>
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<p>Specifies one or more environment variables to pass to CGI
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scripts and SSI pages from the environment of the shell which
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invoked the <code class="program"><a href="../programs/httpd.html">httpd</a></code> process.</p>
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<div class="example"><h3>Example</h3><p><code>
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PassEnv LD_LIBRARY_PATH
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<div class="directive-section"><h2><a name="SetEnv" id="SetEnv">SetEnv</a> <a name="setenv" id="setenv">Directive</a></h2>
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<table class="directive">
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<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets environment variables</td></tr>
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<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>SetEnv <var>env-variable</var> <var>value</var></code></td></tr>
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<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
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<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
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<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr>
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<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr>
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<p>Sets an environment variable, which is then passed on to CGI
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scripts and SSI pages.</p>
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<div class="example"><h3>Example</h3><p><code>
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SetEnv SPECIAL_PATH /foo/bin
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<div class="directive-section"><h2><a name="UnsetEnv" id="UnsetEnv">UnsetEnv</a> <a name="unsetenv" id="unsetenv">Directive</a></h2>
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<table class="directive">
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<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Removes variables from the environment</td></tr>
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<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>UnsetEnv <var>env-variable</var> [<var>env-variable</var>]
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<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
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<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
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<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr>
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<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_env</td></tr>
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<p>Removes one or more environment variables from those passed
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on to CGI scripts and SSI pages.</p>
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<div class="example"><h3>Example</h3><p><code>
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UnsetEnv LD_LIBRARY_PATH
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<p class="apache">Copyright 2006 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>
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