>DirectoryIndexRedirect</directive> causes an external redirect
to instead be issued.</p>
- <p> The argument can be : </p>
+ <p>The argument can be:</p>
<ul>
- <li><code>on</code> : issues a 302 redirection to the index resource.</li>
- <li><code>off</code> : does not issue a redirection. This is the legacy behaviour of mod_dir.</li>
- <li><code>permanent</code> : issues a 301 (permanent) redirection to the index resource.</li>
- <li><code>temp</code> : this has the same effect as <code>on</code></li>
- <li><code>seeother</code> : issues a 303 redirection (also known as "See Other") to the index resource.</li>
- <li><var>3xx-code</var> : issues a redirection marked by the chosen 3xx code.</li>
+ <li><code>on</code>: issues a 302 redirection to the index resource.</li>
+ <li><code>off</code>: does not issue a redirection. This is the legacy behaviour of mod_dir.</li>
+ <li><code>permanent</code>: issues a 301 (permanent) redirection to the index resource.</li>
+ <li><code>temp</code>: this has the same effect as <code>on</code></li>
+ <li><code>seeother</code>: issues a 303 redirection (also known as "See Other") to the index resource.</li>
+ <li><var>3xx-code</var>: issues a redirection marked by the chosen 3xx code.</li>
</ul>
<contextlist><context>server config</context><context>virtual host</context>
<context>directory</context><context>.htaccess</context></contextlist>
<override>Indexes</override>
+<compatibility>The <code>disabled</code> argument is available in version 2.4.4 and
+later</compatibility>
<usage>
<p>Use this to set a handler for any URL that doesn't map to anything
in your filesystem, and would otherwise return HTTP 404 (Not Found).
<dt><code>set</code></dt>
<dd>The request header is set, replacing any previous header
with this name</dd>
-
+
<dt><code>setifempty</code></dt>
<dd>The request header is set, but only if there is no previous header
with this name. Available in 2.4.7 and later.</dd>
<directivesynopsis>
<name>Header</name>
<description>Configure HTTP response headers</description>
-<syntax>Header [<var>condition</var>] add|append|echo|edit|edit*|merge|set|unset|note
+<syntax>Header [<var>condition</var>] add|append|echo|edit|edit*|merge|set|setifempty|unset|note
<var>header</var> [<var>[expr=]value]</var>] [<var>replacement</var>]
[early|env=[!]<var>variable</var>]|expr=<var>expression</var>]
</syntax>
designed to expose the values obtained by <code>getloadavg()</code>
and this represents the current load average, the 5 minute average, and
the 15 minute average. The value is preceded by <code>l=</code> with each
- average separated by <code>/</code>.
+ average separated by <code>/</code>.<br />
+ Available in 2.4.4 and later.
</td></tr>
<tr><td><code>%i</code></td>
<td>The current idle percentage of httpd (0 to 100) based on available
- processes and threads. The value is preceded by <code>i=</code>.
+ processes and threads. The value is preceded by <code>i=</code>.<br />
+ Available in 2.4.4 and later.
</td></tr>
<tr><td><code>%b</code></td>
<td>The current busy percentage of httpd (0 to 100) based on available
- processes and threads. The value is preceded by <code>b=</code>.
+ processes and threads. The value is preceded by <code>b=</code>.<br />
+ Available in 2.4.4 and later.
</td></tr>
<tr><td><code>%{VARNAME}e</code></td>
<syntax>BalancerPersist On|Off</syntax>
<default>BalancerPersist Off</default>
<contextlist><context>server config</context><context>virtual host</context></contextlist>
- <compatibility>BalancerPersist is only available in Apache HTTP Server 2.5.0
- and later.</compatibility>
+ <compatibility>BalancerPersist is only available in Apache HTTP Server 2.4.4 and later.</compatibility>
<usage>
<p>This directive will cause the shared memory storage associated
with the balancers and balancer members to be persisted across
<syntax>BalancerInherit On|Off</syntax>
<default>BalancerInherit On</default>
<contextlist><context>server config</context><context>virtual host</context></contextlist>
- <compatibility>BalancerInherit is only available in Apache HTTP Server 2.4.4 and later.
- and later.</compatibility>
+ <compatibility>BalancerInherit is only available in Apache HTTP Server 2.4.5 and later.</compatibility>
<usage>
<p>This directive will cause the current server/vhost to "inherit"
Balancers and Workers defined in the main server. This can cause issues and
and it depends on the backend application server that support sessions.
If the backend application server uses different name for cookies
and url encoded id (like servlet containers) use | to to separate them.
- The first part is for the cookie the second for the path.
+ The first part is for the cookie the second for the path.<br />
+ Available in Apache HTTP Server 2.4.4 and later.
</td></tr>
<tr><td>stickysessionsep</td>
<td>"."</td>
<syntax>SSLSRPVerifierFile <em>file-path</em></syntax>
<contextlist><context>server config</context>
<context>virtual host</context></contextlist>
+<compatibility>Available in httpd 2.4.4 and later, if using OpenSSL 1.0.1 or
+later</compatibility>
+
<usage>
<p>
<syntax>SSLSRPUnknownUserSeed <em>secret-string</em></syntax>
<contextlist><context>server config</context>
<context>virtual host</context></contextlist>
+<compatibility>Available in httpd 2.4.4 and later, if using OpenSSL 1.0.1 or
+later</compatibility>
<usage>
<p>