<code>max-age</code> (see <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9">RFC
2616 section 14.9</a>), you can use the <code class="directive"><a href="../mod/mod_headers.html#header">Header</a></code> directive.</p>
<code>max-age</code> (see <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9">RFC
2616 section 14.9</a>), you can use the <code class="directive"><a href="../mod/mod_headers.html#header">Header</a></code> directive.</p>
+ <p> When the <code>Expires</code> header is already part of the response
+ generated by the server, for example when generated by a CGI script or
+ proxied from an origin server, this module does not change or add
+ an <code>Expires</code> or <code>Cache-Control</code> header..</p>
</div>
<div id="quickview"><h3 class="directives">Directives</h3>
<ul id="toc">
</div>
<div id="quickview"><h3 class="directives">Directives</h3>
<ul id="toc">
2616 section 14.9</a>), you can use the <directive
module="mod_headers">Header</directive> directive.</p>
2616 section 14.9</a>), you can use the <directive
module="mod_headers">Header</directive> directive.</p>
+ <p> When the <code>Expires</code> header is already part of the response
+ generated by the server, for example when generated by a CGI script or
+ proxied from an origin server, this module does not change or add
+ an <code>Expires</code> or <code>Cache-Control</code> header..</p>
</summary>
<section id="AltSyn"><title>Alternate Interval Syntax</title>
</summary>
<section id="AltSyn"><title>Alternate Interval Syntax</title>