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--><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 2.0</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-project/">Documentation</a> > <a href="../">Version 2.0</a> > <a href="./">Modules</a></div><div id="page-content"><div id="preamble"><h1>Apache Module mod_env</h1><table class="module"><tr><th><a href="module-dict.html#Description">Description:
</a></th><td>Modifies the environment which is
<p>This module allows for control of the environment that will
be provided to CGI scripts and SSI pages. Environment variables
may be passed from the shell which invoked the httpd 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></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>PassEnv
<em>env-variable</em> [<em>env-variable</em>] ...</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>mod_env</td></tr></table>
<p>Specifies one or more environment variables to pass to CGI
scripts and SSI pages from the environment of the shell which
invoked the httpd process. Example:</p>
<div class="example"><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>SetEnv <em>env-variable value</em></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>mod_env</td></tr></table>
<p>Sets an environment variable, which is then passed on to CGI
scripts and SSI pages. Example:</p>
<div class="example"><p><code>
</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="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>UnsetEnv <em>env-variable</em> [<em>env-variable</em>] ...</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>mod_env</td></tr></table>
<p>Removes one or more environment variables from those passed
on to CGI scripts and SSI pages. Example:</p>
<div class="example"><p><code>
UnsetEnv LD_LIBRARY_PATH
</code></p></div>
</div></div><div id="footer"><p class="apache">Maintained by the <a href="http://httpd.apache.org/docs-project/">Apache HTTP Server Documentation Project</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>