<li><img alt="" src="../images/down.gif" /> <a href="#adddefaultcharset">AddDefaultCharset</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#allowencodedslashes">AllowEncodedSlashes</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#allowoverride">AllowOverride</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#allowoverridelist">AllowOverrideList</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cgimapextension">CGIMapExtension</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#contentdigest">ContentDigest</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#defaulttype">DefaultType</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#directory"><Directory></a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#directorymatch"><DirectoryMatch></a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#documentroot">DocumentRoot</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#else"><Else></a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#elseif"><ElseIf></a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#enablemmap">EnableMMAP</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#enablesendfile">EnableSendfile</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#error">Error</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#locationmatch"><LocationMatch></a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#loglevel">LogLevel</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#maxkeepaliverequests">MaxKeepAliveRequests</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#maxrangeoverlaps">MaxRangeOverlaps</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#maxrangereversals">MaxRangeReversals</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#maxranges">MaxRanges</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#mutex">Mutex</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#namevirtualhost">NameVirtualHost</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#options">Options</a></li>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Determines whether encoded path separators in URLs are allowed to
be passed through</td></tr>
-<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AllowEncodedSlashes On|Off</code></td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AllowEncodedSlashes On|Off|NoDecode</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AllowEncodedSlashes Off</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>Core</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>core</td></tr>
-<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache httpd 2.0.46 and later</td></tr>
+<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache httpd 2.0.46 and later.
+NoDecode option available in 2.3.12 and later.</td></tr>
</table>
<p>The <code class="directive">AllowEncodedSlashes</code> directive allows URLs
which contain encoded path separators (<code>%2F</code> for <code>/</code>
and additionally <code>%5C</code> for <code>\</code> on according systems)
- to be used. Normally such URLs are refused with a 404 (Not found) error.</p>
+ to be used in the path info.</p>
+
+ <p>With the default value, <code>Off</code>, such URLs are refused
+ with a 404 (Not found) error.</p>
+
+ <p>With the value <code>On</code>, such URLs are accepted, and encoded
+ slashes are decoded like all other encoded characters.</p>
+
+ <p>With the value <code>NoDecode</code>, such URLs are accepted, but
+ encoded slashes are not decoded but left in their encoded state.</p>
<p>Turning <code class="directive">AllowEncodedSlashes</code> <code>On</code> is
mostly useful when used in conjunction with <code>PATH_INFO</code>.</p>
<div class="note"><h3>Note</h3>
- <p>Allowing encoded slashes does <em>not</em> imply <em>decoding</em>.
- Occurrences of <code>%2F</code> or <code>%5C</code> (<em>only</em> on
- according systems) will be left as such in the otherwise decoded URL
- string.</p>
+ <p>If encoded slashes are needed in path info, use of <code>NoDecode</code> is
+ strongly recommended as a security measure. Allowing slashes
+ to be decoded could potentially allow unsafe paths.</p>
</div>
<h3>See also</h3>
<code class="directive"><a href="#files"><Files></a></code> sections.
</div>
- <p>When this directive is set to <code>None</code>, then
- <a href="#accessfilename">.htaccess</a> files are completely ignored.
- In this case, the server will not even attempt to read
- <code>.htaccess</code> files in the filesystem.</p>
+ <p>When this directive is set to <code>None</code> and <code class="directive"><a href="#allowoverridelist">AllowOverrideList</a></code> is set to
+ <code>None</code> <a href="#accessfilename">.htaccess</a> files are
+ completely ignored. In this case, the server will not even attempt
+ to read <code>.htaccess</code> files in the filesystem.</p>
<p>When this directive is set to <code>All</code>, then any
directive which has the .htaccess <a href="directive-dict.html#Context">Context</a> is allowed in
features (<code class="directive"><a href="#options">Options</a></code> and
<code class="directive"><a href="../mod/mod_include.html#xbithack">XBitHack</a></code>).
An equal sign may be given followed by a comma (but no spaces)
- separated lists of options that may be set using the <code class="directive"><a href="#options">Options</a></code> command.</dd>
+ separated lists of options that may be set using the <code class="directive"><a href="#options">Options</a></code> command.
+
+ <div class="note"><h3>Implicit disabling of Options</h3>
+ <p>Even though the list of options that may be used in .htaccess files
+ can be limited with this directive, as long as any <code class="directive"><a href="#options">Options</a></code> directive is allowed any
+ other inherited option can be disabled by using the non-relative
+ syntax. In other words, this mechanism cannot force a specific option
+ to remain <em>set</em> while allowing any others to be set.
+ </p></div>
+ </dd>
</dl>
<p>Example:</p>
<h3>See also</h3>
<ul>
<li><code class="directive"><a href="#accessfilename">AccessFileName</a></code></li>
+<li><code class="directive"><a href="#allowoverridelist">AllowOverrideList</a></code></li>
+<li><a href="../configuring.html">Configuration Files</a></li>
+<li><a href="../howto/htaccess.html">.htaccess Files</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="AllowOverrideList" id="AllowOverrideList">AllowOverrideList</a> <a name="allowoverridelist" id="allowoverridelist">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Individual directives that are allowed in
+<code>.htaccess</code> files</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AllowOverrideList None|<var>directive</var>
+[<var>directive-type</var>] ...</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AllowOverrideList None</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Core</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>core</td></tr>
+</table>
+ <p>When the server finds an <code>.htaccess</code> file (as
+ specified by <code class="directive"><a href="#accessfilename">AccessFileName</a></code>)
+ it needs to know which directives declared in that file can override
+ earlier configuration directives.</p>
+
+ <div class="note"><h3>Only available in <Directory> sections</h3>
+ <code class="directive">AllowOverrideList</code> is valid only in
+ <code class="directive"><a href="#directory"><Directory></a></code>
+ sections specified without regular expressions, not in <code class="directive"><a href="#location"><Location></a></code>, <code class="directive"><a href="#directorymatch"><DirectoryMatch></a></code> or
+ <code class="directive"><a href="#files"><Files></a></code> sections.
+ </div>
+
+ <p>When this directive is set to <code>None</code> and <code class="directive"><a href="#allowoverride">AllowOverride</a></code> is set to <code>None</code>,
+ then <a href="#accessfilename">.htaccess</a> files are completely
+ ignored. In this case, the server will not even attempt to read
+ <code>.htaccess</code> files in the filesystem.</p>
+
+ <p>Example:</p>
+
+ <div class="example"><p><code>
+ AllowOverride None
+ AllowOverrideList Redirect RedirectMatch
+ </code></p></div>
+
+ <p>In the example above only the <code>Redirect</code> and
+ <code>RedirectMatch</code> directives are allowed. All others will
+ cause an internal server error.</p>
+
+ <p>Example:</p>
+
+ <div class="example"><p><code>
+ AllowOverride AuthConfig
+ AllowOverrideList CookieTracking CookieName
+ </code></p></div>
+
+ <p>In the example above <code class="directive"><a href="#allowoverride ">AllowOverride
+ </a></code> grants permission to the <code>AuthConfig</code>
+ directive grouping and <code class="directive">AllowOverrideList</code> grants
+ permission to only two directves from the <code>FileInfo</code> directive
+ grouping. All others will cause an internal server error.</p>
+
+<h3>See also</h3>
+<ul>
+<li><code class="directive"><a href="#accessfilename">AccessFileName</a></code></li>
+<li><code class="directive"><a href="#allowoverride">AllowOverride</a></code></li>
<li><a href="../configuring.html">Configuration Files</a></li>
<li><a href="../howto/htaccess.html">.htaccess Files</a></li>
</ul>
</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="Else" id="Else"><Else></a> <a name="else" id="else">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Contains directives that apply only if the condition of a
+previous <code class="directive"><a href="#if"><If></a></code> or
+<code class="directive"><a href="#elseif"><ElseIf></a></code> section is not
+satisfied by a request at runtime</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code><Else> ... </Else></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>All</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Core</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>core</td></tr>
+</table>
+ <p>The <code class="directive"><Else></code> applies the enclosed
+ directives if and only if the most recent
+ <code class="directive"><If></code> or
+ <code class="directive"><ElseIf></code> section
+ in the same scope has not been applied.
+ For example: In </p>
+
+ <div class="example"><p><code>
+ <If "-z req('Host')"><br />
+ ...<br />
+ </If><br />
+ <Else><br />
+ ...<br />
+ </Else><br />
+ </code></p></div>
+
+ <p> The <code class="directive"><If></code> would match HTTP/1.0
+ requests without a <var>Host:</var> header and the
+ <code class="directive"><Else></code> would match requests
+ with a <var>Host:</var> header.</p>
+
+
+<h3>See also</h3>
+<ul>
+<li><code class="directive"><a href="#if"><If></a></code></li>
+<li><code class="directive"><a href="#elseif"><ElseIf></a></code></li>
+<li><a href="../sections.html">How <Directory>, <Location>,
+ <Files> sections work</a> for an explanation of how these
+ different sections are combined when a request is received.
+ <code class="directive"><If></code>,
+ <code class="directive"><ElseIf></code>, and
+ <code class="directive"><Else></code> are applied last.</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="ElseIf" id="ElseIf"><ElseIf></a> <a name="elseif" id="elseif">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Contains directives that apply only if a condition is satisfied
+by a request at runtime while the condition of a previous
+<code class="directive"><a href="#if"><If></a></code> or
+<code class="directive"><ElseIf></code> section is not
+satisfied</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code><ElseIf <var>expression</var>> ... </ElseIf></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>All</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Core</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>core</td></tr>
+</table>
+ <p>The <code class="directive"><ElseIf></code> applies the enclosed
+ directives if and only if both the given condition evaluates to true and
+ the most recent <code class="directive"><If></code> or
+ <code class="directive"><ElseIf></code> section in the same scope has
+ not been applied. For example: In </p>
+
+ <div class="example"><p><code>
+ <If "-R '10.1.0.0/16'"><br />
+ ...<br />
+ </If><br />
+ <ElseIf "-R '10.0.0.0/8'"><br />
+ ...<br />
+ </ElseIf><br />
+ <Else><br />
+ ...<br />
+ </Else><br />
+ </code></p></div>
+
+ <p>The <code class="directive"><ElseIf></code> would match if
+ the remote address of a request belongs to the subnet 10.0.0.0/8 but
+ not to the subnet 10.1.0.0/16.</p>
+
+
+<h3>See also</h3>
+<ul>
+<li><a href="../expr.html">Expressions in Apache HTTP Server</a>,
+for a complete reference and more examples.</li>
+<li><code class="directive"><a href="#if"><If></a></code></li>
+<li><code class="directive"><a href="#else"><Else></a></code></li>
+<li><a href="../sections.html">How <Directory>, <Location>,
+ <Files> sections work</a> for an explanation of how these
+ different sections are combined when a request is received.
+ <code class="directive"><If></code>,
+ <code class="directive"><ElseIf></code>, and
+ <code class="directive"><Else></code> are applied last.</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="EnableMMAP" id="EnableMMAP">EnableMMAP</a> <a name="enablemmap" id="enablemmap">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Use memory-mapping to read files during delivery</td></tr>
<div class="directive-section"><h2><a name="ErrorLogFormat" id="ErrorLogFormat">ErrorLogFormat</a> <a name="errorlogformat" id="errorlogformat">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Format specification for error log entries</td></tr>
-<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code> ErrorLog [connection|request] <var>format</var></code></td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code> ErrorLogFormat [connection|request] <var>format</var></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>Core</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>core</td></tr>
<td>Remote IP-address and port</td></tr>
<tr><td><code>%...A</code></td>
<td>Local IP-address and port</td></tr>
-<tr class="odd"><td><code>%...{name}e</code></td>
- <td>Request environment variable <code>name</code></td></tr>
+<tr class="odd"><td><code>%...{<em>name</em>}e</code></td>
+ <td>Request environment variable <em>name</em></td></tr>
<tr><td><code>%...E</code></td>
<td>APR/OS error status code and string</td></tr>
<tr class="odd"><td><code>%...F</code></td>
<td>Source file name and line number of the log call</td></tr>
-<tr><td><code>%...{name}i</code></td>
- <td>Request header <code>name</code></td></tr>
+<tr><td><code>%...{<em>name</em>}i</code></td>
+ <td>Request header <em>name</em></td></tr>
<tr class="odd"><td><code>%...k</code></td>
<td>Number of keep-alive requests on this connection</td></tr>
<tr><td><code>%...l</code></td>
<td>Name of the module logging the message</td></tr>
<tr class="odd"><td><code>%M</code></td>
<td>The actual log message</td></tr>
-<tr><td><code>%...{name}n</code></td>
- <td>Request note <code>name</code></td></tr>
+<tr><td><code>%...{<em>name</em>}n</code></td>
+ <td>Request note <em>name</em></td></tr>
<tr class="odd"><td><code>%...P</code></td>
<td>Process ID of current process</td></tr>
<tr><td><code>%...T</code></td>
<td>Thread ID of current thread</td></tr>
-<tr class="odd"><td><code>%...t</code></td>
+<tr class="odd"><td><code>%...{g}T</code></td>
+ <td>System unique thread ID of current thread (the same ID as
+ displayed by e.g. <code>top</code>; currently Linux only)</td></tr>
+<tr><td><code>%...t</code></td>
<td>The current time</td></tr>
-<tr><td><code>%...{u}t</code></td>
+<tr class="odd"><td><code>%...{u}t</code></td>
<td>The current time including micro-seconds</td></tr>
-<tr class="odd"><td><code>%...{cu}t</code></td>
+<tr><td><code>%...{cu}t</code></td>
<td>The current time in compact ISO 8601 format, including
micro-seconds</td></tr>
-<tr><td><code>%...v</code></td>
+<tr class="odd"><td><code>%...v</code></td>
<td>The canonical <code class="directive"><a href="#servername">ServerName</a></code>
of the current server.</td></tr>
-<tr class="odd"><td><code>%...V</code></td>
+<tr><td><code>%...V</code></td>
<td>The server name of the server serving the request according to the
<code class="directive"><a href="#usecanonicalname">UseCanonicalName</a></code>
setting.</td></tr>
-<tr><td><code>\ </code> (backslash space)</td>
+<tr class="odd"><td><code>\ </code> (backslash space)</td>
<td>Non-field delimiting space</td></tr>
-<tr class="odd"><td><code>% </code> (percent space)</td>
+<tr><td><code>% </code> (percent space)</td>
<td>Field delimiter (no output)</td></tr>
</table>
with error log lines. If <code class="module"><a href="../mod/mod_unique_id.html">mod_unique_id</a></code> is loaded, its
unique id will be used as log ID for requests.</p>
- <div class="example"><h3>Example (
somewhat similar to default format)</h3><p><code>
- ErrorLogFormat "[%{u}t] [%-m:%l] [pid %P] %7F: %E: [client\ %a]
+ <div class="example"><h3>Example (default format)</h3><p><code>
+ ErrorLogFormat "[%{u}t] [%-m:%l] [pid %P:tid %T] %7F: %E: [client\ %a]
%M% ,\ referer\ %{Referer}i"
</code></p></div>
+ <p>This would result in error messages such as:</p>
+
+ <div class="example"><p><code>
+ [Thu May 12 08:28:57.652118 2011] [core:error] [pid 8777:tid 4326490112] [client ::1:58619] File does not exist: /usr/local/apache2/htdocs/favicon.ico
+ </code></p></div>
+
+ <p>Notice that, as discussed above, some fields are ommitted
+ entirely because they are not defined.</p>
+
<div class="example"><h3>Example (similar to the 2.2.x format)</h3><p><code>
ErrorLogFormat "[%t] [%l] %7F: %E: [client\ %a]
%M% ,\ referer\ %{Referer}i"
For example:</p>
<div class="example"><p><code>
- <If "$req{Host} = ''">
+ <If "-z req('Host')">
</code></p></div>
- <p>would match HTTP/1.0 requests without a <var>Host:</var> header.</p>
-
- <p>You may compare the value of any variable in the request headers
- ($req), response headers ($resp) or environment ($env) in your
- expression.</p>
-
- <p>Apart from <code>=</code>, <code>If</code> can use the <code>IN</code>
- operator to compare if the expression is in a given range:</p>
+ <p>would match HTTP/1.0 requests without a <var>Host:</var> header.
+ Expressions may contain various shell-like operators for string
+ comparison (<code>=</code>, <code>!=</code>, <code><</code>, ...),
+ integer comparison (<code>-eq</code>, <code>-ne</code>, ...),
+ and others (<code>-n</code>, <code>-z</code>, <code>-f</code>, ...).
+ It is also possible to use regular expressions, </p>
<div class="example"><p><code>
- <If %{REQUEST_METHOD} IN GET,HEAD,OPTIONS>
+ <If "%{QUERY_STRING} =~ /(delete|commit)=.*?elem/">
</code></p></div>
+ <p>shell-like pattern matches and many other operations. These operations
+ can be done on request headers (<code>req</code>), environment variables
+ (<code>env</code>), and a large number of other properties. The full
+ documentation is available in <a href="../expr.html">Expressions in
+ Apache HTTP Server</a>.</p>
+
<h3>See also</h3>
<ul>
<li><a href="../expr.html">Expressions in Apache HTTP Server</a>,
for a complete reference and more examples.</li>
+<li><code class="directive"><a href="#elseif"><ElseIf></a></code></li>
+<li><code class="directive"><a href="#else"><Else></a></code></li>
<li><a href="../sections.html">How <Directory>, <Location>,
<Files> sections work</a> for an explanation of how these
different sections are combined when a request is received.
- <code class="directive"><If></code> has the same precedence
- and usage as <code class="directive"><Files></code></li>
+ <code class="directive"><If></code>,
+ <code class="directive"><ElseIf></code>, and
+ <code class="directive"><Else></code> are applied last.</li>
</ul>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="warning"><h3>Warning</h3>
<p> When name-based virtual hosting is used, the value for this
- directive is taken from the default (first-listed) virtual host best
+ directive is taken from the default (first-listed) virtual host best
matching the current IP address and port combination.</p>
</div>
<div class="warning"><h3>Warning</h3>
<p> When name-based virtual hosting is used, the value for this
- directive is taken from the default (first-listed) virtual host best
+ directive is taken from the default (first-listed) virtual host best
matching the current IP address and port combination.</p>
</div>
MaxKeepAliveRequests 500
</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="MaxRangeOverlaps" id="MaxRangeOverlaps">MaxRangeOverlaps</a> <a name="maxrangeoverlaps" id="maxrangeoverlaps">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Number of overlapping ranges (eg: <code>100-200,150-300</code>) allowed before returning the complete
+ resource </td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>MaxRangeOverlaps default | unlimited | none | <var>number-of-ranges</var></code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>MaxRangeOverlaps 20</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Core</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>core</td></tr>
+<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache HTTP Server 2.3.15 and later</td></tr>
+</table>
+ <p>The <code class="directive">MaxRangeOverlaps</code> directive
+ limits the number of overlapping HTTP ranges the server is willing to
+ return to the client. If more overlapping ranges then permitted are requested,
+ the complete resource is returned instead.</p>
+
+ <dl>
+ <dt><strong>default</strong></dt>
+ <dd>Limits the number of overlapping ranges to a compile-time default of 20.</dd>
+
+ <dt><strong>none</strong></dt>
+ <dd>No overlapping Range headers are allowed.</dd>
+
+ <dt><strong>unlimited</strong></dt>
+ <dd>The server does not limit the number of overlapping ranges it is
+ willing to satisfy.</dd>
+
+ <dt><var>number-of-ranges</var></dt>
+ <dd>A positive number representing the maximum number of overlapping ranges the
+ server is willing to satisfy.</dd>
+ </dl>
+
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="MaxRangeReversals" id="MaxRangeReversals">MaxRangeReversals</a> <a name="maxrangereversals" id="maxrangereversals">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Number of range reversals (eg: <code>100-200,50-70</code>) allowed before returning the complete
+ resource </td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>MaxRangeReversals default | unlimited | none | <var>number-of-ranges</var></code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>MaxRangeReversals 20</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Core</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>core</td></tr>
+<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache HTTP Server 2.3.15 and later</td></tr>
+</table>
+ <p>The <code class="directive">MaxRangeReversals</code> directive
+ limits the number of HTTP Range reversals the server is willing to
+ return to the client. If more ranges reversals then permitted are requested,
+ the complete resource is returned instead.</p>
+
+ <dl>
+ <dt><strong>default</strong></dt>
+ <dd>Limits the number of range reversals to a compile-time default of 20.</dd>
+
+ <dt><strong>none</strong></dt>
+ <dd>No Range reversals headers are allowed.</dd>
+
+ <dt><strong>unlimited</strong></dt>
+ <dd>The server does not limit the number of range reversals it is
+ willing to satisfy.</dd>
+
+ <dt><var>number-of-ranges</var></dt>
+ <dd>A positive number representing the maximum number of range reversals the
+ server is willing to satisfy.</dd>
+ </dl>
+
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="MaxRanges" id="MaxRanges">MaxRanges</a> <a name="maxranges" id="maxranges">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Number of ranges allowed before returning the complete
+resource </td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>MaxRanges default | unlimited | none | <var>number-of-ranges</var></code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>MaxRanges 200</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Core</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>core</td></tr>
+<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache HTTP Server 2.3.15 and later</td></tr>
+</table>
+ <p>The <code class="directive">MaxRanges</code> directive
+ limits the number of HTTP ranges the server is willing to
+ return to the client. If more ranges then permitted are requested,
+ the complete resource is returned instead.</p>
+
+ <dl>
+ <dt><strong>default</strong></dt>
+ <dd>Limits the number of ranges to a compile-time default of 200.</dd>
+
+ <dt><strong>none</strong></dt>
+ <dd>Range headers are ignored.</dd>
+
+ <dt><strong>unlimited</strong></dt>
+ <dd>The server does not limit the number of ranges it is
+ willing to satisfy.</dd>
+
+ <dt><var>number-of-ranges</var></dt>
+ <dd>A positive number representing the maximum number of ranges the
+ server is willing to satisfy.</dd>
+ </dl>
+
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="Mutex" id="Mutex">Mutex</a> <a name="mutex" id="mutex">Directive</a></h2>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="NameVirtualHost" id="NameVirtualHost">NameVirtualHost</a> <a name="namevirtualhost" id="namevirtualhost">Directive</a></h2>
<table class="directive">
-<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Designates an IP address for name-virtual
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>DEPRECATED: Designates an IP address for name-virtual
hosting</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>NameVirtualHost <var>addr</var>[:<var>port</var>]</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr>
ServerRoot /home/httpd
</code></p></div>
+ <p>The default location of <code class="directive">ServerRoot</code> may be
+ modified by using the <code>--prefix</code> argument to
+ <a href="../programs/configure.html"><code>configure</code></a>, and
+ most third-party distributions of the server have a different
+ default location from the one listed above.</p>
+
<h3>See also</h3>
<ul>
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Determines the behaviour on <code>TRACE</code> requests</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>TraceEnable <var>[on|off|extended]</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>TraceEnable on</code></td></tr>
-<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</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>Core</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>core</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache HTTP Server 1.3.34, 2.0.55 and later</td></tr>
<li>A fully qualified domain name for the IP address of the
virtual host (not recommended);</li>
- <li>The character <code>*</code>, which acts as a wildcard and matches
+ <li>The character <code>*</code>, which acts as a wildcard and matches
any IP address.</li>
-
+
<li>The string <code>_default_</code>, which is an alias for <code>*</code></li>
</ul>
<code class="directive"><a href="#servername">ServerName</a></code> from the "main"
server configuration will be inherited.</p>
- <p>When a request is received, the server first maps it to the best matching
- <code class="directive"><VirtualHost></code> based on the local
- IP address and port combination only. Non-wildcards have a higher
- precedence. If no match based on IP and port occurs at all, the
+ <p>When a request is received, the server first maps it to the best matching
+ <code class="directive"><VirtualHost></code> based on the local
+ IP address and port combination only. Non-wildcards have a higher
+ precedence. If no match based on IP and port occurs at all, the
"main" server configuration is used.</p>
-
+
<p>If multiple virtual hosts contain the best matching IP address and port,
- the server selects from these virtual hosts the best match based on the
- requested hostname. If no matching name-based virtual host is found,
- then the first listed virtual host that matched the IP address will be
+ the server selects from these virtual hosts the best match based on the
+ requested hostname. If no matching name-based virtual host is found,
+ then the first listed virtual host that matched the IP address will be
used. As a consequence, the first listed virtual host for a given IP address
- and port combination is default virtual host for that IP and port
+ and port combination is default virtual host for that IP and port
combination.</p>
<div class="warning"><h3>Security</h3>
projects / apache / blobdiff