<note type="warning"><title>Warning</title>
<p>Keep in mind that the same parameter key can have a different meaning
- depending whether it is applied to a balancer or a worker, as shown by
+ depending whether it is applied to a balancer or a worker, as shown by
the two examples above regarding timeout.</p>
</note>
<td><p>This parameter should be used when you have a firewall between your
Apache httpd and the backend server, which tends to drop inactive connections.
This flag will tell the Operating System to send <code>KEEP_ALIVE</code>
- messages on inactive connections and thus prevent the firewall
- from dropping the connection.
+ messages on inactive connections and thus prevent the firewall
+ from dropping the connection.
To enable keepalive, set this property value to <code>On</code>. </p>
<p>The frequency of initial and subsequent TCP keepalive probes
depends on global OS settings, and may be as high as 2 hours. To be useful,
<td>Single letter value defining the initial status of
this worker.
<table>
- <tr><td>D: Worker is disabled and will not accept any requests.</td></tr>
- <tr><td>S: Worker is administratively stopped.</td></tr>
- <tr><td>I: Worker is in ignore-errors mode and will always be considered available.</td></tr>
- <tr><td>H: Worker is in hot-standby mode and will only be used if no other
+ <tr><td>D</td><td>Worker is disabled and will not accept any requests; will be
+ automatically retried.</td></tr>
+ <tr><td>S</td><td>Worker is administratively stopped; will not accept requests
+ and will not be automatically retried</td></tr>
+ <tr><td>I</td><td>Worker is in ignore-errors mode and will always be considered available.</td></tr>
+ <tr><td>H</td><td>Worker is in hot-standby mode and will only be used if no other
viable workers are available.</td></tr>
- <tr><td>E: Worker is in an error state.</td></tr>
- <tr><td>N: Worker is in drain mode and will only accept existing sticky sessions
+ <tr><td>E</td><td>Worker is in an error state.</td></tr>
+ <tr><td>N</td><td>Worker is in drain mode and will only accept existing sticky sessions
destined for itself and ignore all other requests.</td></tr>
- </table>Status
- can be set (which is the default) by prepending with '+' or
+ </table>
+ Status can be set (which is the default) by prepending with '+' or
cleared by prepending with '-'.
Thus, a setting of 'S-E' sets this worker to Stopped and
clears the in-error flag.
But this may be incompatible with some backends, particularly those
that make use of <var>PATH_INFO</var>. The optional <var>nocanon</var>
keyword suppresses this and passes the URL path "raw" to the
- backend. Note that this keyword may affect the security of your backend,
+ backend. Note that this keyword may affect the security of your backend,
as it removes the normal limited protection against URL-based attacks
provided by the proxy.</p>
<p>will not only cause a local request for the
<code>http://example.com/mirror/foo/bar</code> to be internally converted
into a proxy request to <code>http://backend.example.com/bar</code>
- (the functionality which <code>ProxyPass</code> provides here).
+ (the functionality which <code>ProxyPass</code> provides here).
It also takes care of redirects which the server <code>backend.example.com</code> sends
when redirecting <code>http://backend.example.com/bar</code> to
<code>http://backend.example.com/quux</code> . Apache httpd adjusts this to