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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:01:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:01:30 +0000 |
| commit | 6beeb1b708550be0d4a53b272283e17e5e35fe17 (patch) | |
| tree | 1ce8673d4aaa948e5554000101f46536a1e4cc29 /docs/manual/mod/mod_reqtimeout.html.en | |
| parent | Initial commit. (diff) | |
| download | apache2-6beeb1b708550be0d4a53b272283e17e5e35fe17.tar.xz apache2-6beeb1b708550be0d4a53b272283e17e5e35fe17.zip | |
Adding upstream version 2.4.57.upstream/2.4.57
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/manual/mod/mod_reqtimeout.html.en')
| -rw-r--r-- | docs/manual/mod/mod_reqtimeout.html.en | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/docs/manual/mod/mod_reqtimeout.html.en b/docs/manual/mod/mod_reqtimeout.html.en new file mode 100644 index 0000000..af82bf9 --- /dev/null +++ b/docs/manual/mod/mod_reqtimeout.html.en @@ -0,0 +1,224 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!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> +<meta content="text/html; charset=UTF-8" http-equiv="Content-Type" /> +<!-- + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + This file is generated from xml source: DO NOT EDIT + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + --> +<title>mod_reqtimeout - Apache HTTP Server Version 2.4</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 rel="stylesheet" type="text/css" href="../style/css/prettify.css" /> +<script src="../style/scripts/prettify.min.js" type="text/javascript"> +</script> + +<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="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p> +<p class="apache">Apache HTTP Server Version 2.4</p> +<img alt="" src="../images/feather.png" /></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 2.4</a> > <a href="./">Modules</a></div> +<div id="page-content"> +<div id="preamble"><h1>Apache Module mod_reqtimeout</h1> +<div class="toplang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_reqtimeout.html" title="English"> en </a> | +<a href="../fr/mod/mod_reqtimeout.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +</div> +<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Set timeout and minimum data rate for receiving requests +</td></tr> +<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr> +<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>reqtimeout_module</td></tr> +<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_reqtimeout.c</td></tr> +<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache HTTPD 2.2.15 and later</td></tr></table> +<h3>Summary</h3> + + <p>This module provides a convenient way to set timeouts and minimum data + rates for receiving requests. Should a timeout occur or a data rate be + to low, the corresponding connection will be closed by the server.</p> + + <p>This is logged at <code class="directive"><a href="../mod/core.html#loglevel">LogLevel</a></code> + <code>info</code>.</p> + + <p>If needed, the <code class="directive"><a href="../mod/core.html#loglevel">LogLevel</a></code> directive + can be tweaked to explicitly log it:</p> + <pre class="prettyprint lang-config">LogLevel reqtimeout:info</pre> + +</div> +<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3>Topics</h3> +<ul id="topics"> +<li><img alt="" src="../images/down.gif" /> <a href="#examples">Examples</a></li> +</ul><h3 class="directives">Directives</h3> +<ul id="toc"> +<li><img alt="" src="../images/down.gif" /> <a href="#requestreadtimeout">RequestReadTimeout</a></li> +</ul> +<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_reqtimeout">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_reqtimeout">Report a bug</a></li></ul><h3>See also</h3> +<ul class="seealso"> +<li><a href="#comments_section">Comments</a></li></ul></div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="examples" id="examples">Examples</a></h2> + + <ol> + <li> + Allow for 5 seconds to complete the TLS handshake, 10 seconds to + receive the request headers and 30 seconds for receiving the + request body: + + <pre class="prettyprint lang-config">RequestReadTimeout handshake=5 header=10 body=30</pre> + + </li> + + <li> + Allow at least 10 seconds to receive the request body. + If the client sends data, increase the timeout by 1 second for every + 1000 bytes received, with no upper limit for the timeout (except for + the limit given indirectly by + <code class="directive"><a href="../mod/core.html#limitrequestbody">LimitRequestBody</a></code>): + + <pre class="prettyprint lang-config">RequestReadTimeout body=10,MinRate=1000</pre> + + </li> + + <li> + Allow at least 10 seconds to receive the request headers. + If the client sends data, increase the timeout by 1 second for every + 500 bytes received. But do not allow more than 30 seconds for the + request headers: + + <pre class="prettyprint lang-config">RequestReadTimeout header=10-30,MinRate=500</pre> + + </li> + + <li> + Usually, a server should have both header and body timeouts configured. + If a common configuration is used for http and https virtual hosts, the + timeouts should not be set too low: + + <pre class="prettyprint lang-config">RequestReadTimeout header=20-40,MinRate=500 body=20,MinRate=500</pre> + + </li> + + </ol> +</div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="directive-section"><h2><a name="RequestReadTimeout" id="RequestReadTimeout">RequestReadTimeout</a> <a name="requestreadtimeout" id="requestreadtimeout">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Set timeout values for completing the TLS handshake, receiving +the request headers and/or body from client. +</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>RequestReadTimeout +[handshake=<var>timeout</var>[-<var>maxtimeout</var>][,MinRate=<var>rate</var>] +[header=<var>timeout</var>[-<var>maxtimeout</var>][,MinRate=<var>rate</var>] +[body=<var>timeout</var>[-<var>maxtimeout</var>][,MinRate=<var>rate</var>] +</code></td></tr> +<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>RequestReadTimeout handshake=0 header=20-40,MinRate=500 body=20,MinRate=500</code></td></tr> +<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr> +<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_reqtimeout</td></tr> +<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.2.15 and later; defaulted to disabled in +version 2.3.14 and earlier. The <code>handshake</code> stage is available since +version 2.4.39. +</td></tr> +</table> + <p>This directive can set various timeouts for completing the TLS handshake, + receiving the request headers and/or the request body from the client. + If the client fails to complete each of these stages within the configured + time, a <code>408 REQUEST TIME OUT</code> error is sent.</p> + + <p>For SSL virtual hosts, the <code>handshake</code> timeout values is the time + needed to do the initial SSL handshake. If the user's browser is configured to + query certificate revocation lists and the CRL server is not reachable, the + initial SSL handshake may take a significant time until the browser gives up + waiting for the CRL. Therefore the <code>handshake</code> timeout should take + this possible overhead into consideration for SSL virtual hosts (if necessary). + The body timeout values include the time needed for SSL renegotiation + (if necessary).</p> + + <p>When an <code class="directive"><a href="../mod/core.html#acceptfilter">AcceptFilter</a></code> is in use + (usually the case on Linux and FreeBSD), the socket is not sent to the + server process before at least one byte (or the whole request for + <code>httpready</code>) is received. The handshake and header timeouts + configured with <code class="directive">RequestReadTimeout</code> are only effective + after the server process has received the socket.</p> + + <p>For each of the three timeout stages (handshake, header or body), there are + three ways to specify the timeout: + </p> + + <ul> + + <li><strong>Fixed timeout value</strong>:<br /> + + <div class="example"><p><code><var>stage</var>=<var>timeout</var></code></p></div> + + <p>The time in seconds allowed for completing the whole stage (handshaking, + reading all of the request headers or body). A value of 0 means no limit.</p> + </li> + + <li><strong>Disable module for a vhost</strong>:<br /> + + <div class="example"><p><code>handshake=0 header=0 body=0</code></p></div> + + <p>This disables <code class="module"><a href="../mod/mod_reqtimeout.html">mod_reqtimeout</a></code> completely (note that + <code>handshake=0</code> is the default already and could be omitted).</p> + </li> + + <li><strong>Timeout value that is increased when data is + received</strong>:<br /> + <div class="example"><p><code> + <var>stage</var>=<var>timeout</var>,MinRate=<var>data_rate</var> + </code></p></div> + + <p>Same as above, but whenever data is received, the timeout value is + increased according to the specified minimum data rate (in bytes per + second).</p> + </li> + + <li><strong>Timeout value that is increased when data is received, with an + upper bound</strong>:<br /> + <div class="example"><p><code> + <var>stage</var>=<var>timeout</var>-<var>maxtimeout</var>,MinRate=<var>data_rate</var> + </code></p></div> + + <p>Same as above, but the timeout will not be increased above the second + value of the specified timeout range.</p> + </li> + + </ul> + + +</div> +</div> +<div class="bottomlang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_reqtimeout.html" title="English"> en </a> | +<a href="../fr/mod/mod_reqtimeout.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +</div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Libera.chat, or sent to our <a href="https://httpd.apache.org/lists.html">mailing lists</a>.</div> +<script type="text/javascript"><!--//--><![CDATA[//><!-- +var comments_shortname = 'httpd'; +var comments_identifier = 'http://httpd.apache.org/docs/2.4/mod/mod_reqtimeout.html'; +(function(w, d) { + if (w.location.hostname.toLowerCase() == "httpd.apache.org") { + d.write('<div id="comments_thread"><\/div>'); + var s = d.createElement('script'); + s.type = 'text/javascript'; + s.async = true; + s.src = 'https://comments.apache.org/show_comments.lua?site=' + comments_shortname + '&page=' + comments_identifier; + (d.getElementsByTagName('head')[0] || d.getElementsByTagName('body')[0]).appendChild(s); + } + else { + d.write('<div id="comments_thread">Comments are disabled for this page at the moment.<\/div>'); + } +})(window, document); +//--><!]]></script></div><div id="footer"> +<p class="apache">Copyright 2023 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="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div><script type="text/javascript"><!--//--><![CDATA[//><!-- +if (typeof(prettyPrint) !== 'undefined') { + prettyPrint(); +} +//--><!]]></script> +</body></html>
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