server machine, in order that this activity not adversely affect
server performance.</p>
- <p>If you use any <code><directive module="mod_access">Allow</directive>
- from domain</code> or <code><directive
- module="mod_access">Deny</directive> from domain</code>
+ <p>If you use any <code><directive module="mod_access_compat"
+ >Allow</directive> from domain</code> or <code><directive
+ module="mod_access_compat">Deny</directive> from domain</code>
directives (i.e., using a hostname, or a domain name, rather than
an IP address) then you will pay for
two DNS lookups (a reverse, followed by a forward lookup
<title>Sendfile</title>
<p>In situations where Apache 2.x can ignore the contents of the file
- to be delivered -- for example, when serving static file content --
- it normally uses the kernel sendfile support the file if the OS
+ to be delivered -- for example, when serving static file content --
+ it normally uses the kernel sendfile support the file if the OS
supports the <code>sendfile(2)</code> operation.</p>
<p>On most platforms, using sendfile improves performance by eliminating
another box and moved to such a machine with broken sendfile support.</p>
</li>
<li>
- <p>With an NFS-mounted files, the kernel may be unable
+ <p>With an NFS-mounted files, the kernel may be unable
to reliably serve the network file through it's own cache.</p>
</li>
</ul>
<p>For installations where either of these factors applies, you
should use <code>EnableSendfile off</code> to disable sendfile
- delivery of file contents. (Note: This directive can be overridden
+ delivery of file contents. (Note: This directive can be overridden
on a per-directory basis.)</p>
</section>