mod_dns 1.3

Date Added: September 21, 2010 | Visits: 905

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mod_dns is a Apache module that allows busy servers to resolve hostnames in realtime. The module uses a shared memory cache to store recently resolved hostnames. By default the cache uses 200k of shared ram, and will cache up to 1024 ip/host pairs. mod_dns dramatically improves resolver performance, making it possible to resolve hostnames in real-time even for busy webservers. Installation: Define the APACHE_HOME environment variable (needed to find $APACHE_HOME/bin/apxs) then type make: (or do it all in one line..) % APACHE_HOME=/z/httpd/ make Configure: # load module and turn off Apache core gethostbyaddr() function LoadModule dns_module libexec/mod_dns.so HostnameLookups Off #< Location ... > DnsLookups On DnsTimeout_ms 5500 DnsResendTimer_ms 1900 #< /Location > # built-in statistics page < Location /mod_dns/stats > SetHandler dns-stats-handler < /Location > 5500 ms is the default timeout, UDP packets will be resent to the DNS server every 1900 ms (DnsResendTimer_ms). These directives can be configured per-directory, if for some reason its more important to resolve a host-name in one place than another. Notice that once the cache has a bad entry in it, it will not be resolved again until it expires. (all trademarks belong to their respective owners).

Requirements: No special requirements

Platforms: Linux

Keyword: Apache Module, Dns, Home, Hostnames, Http, Internet, Mod, Moddns, Module, Ms, Resolve, Resolve Hostnames

Users rating: 0/10

License: Freeware

Size: 10.24 KB

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