Forward Proxy and reverse proxy Proxy server types and uses for HTTP Server (powered by Apache) This topic provides information about proxy server types and uses. Important: Information for this topic supports the latest PTF levels for HTTP Server for iSeries . It is recommended that you install the latest PTFs to upgrade to the […]

Apache Performance Tuning Forewarning: “Premature optimization is the root of all evil.” — Donald Knuth. Select MPM Chose the right MPM for the right job: prefork [default MPM for Apache 2.0 and 1.3]: • Apache 1.3-based. • Multiple processes, 1 thread per process, processes handle requests. • Used for security and stability. • Has higher […]

1. Apache server performance Apache server performance can be improved by adding additional hardware resources such as RAM, faster CPU etc. But, most of the time, the same result can be achieved by custom configuration of the server. This article looks into getting maximum performance out of Apache with the existing hardware resources, specifically on […]

Hardening guide for Apache From: ServerSignature OnTo: ServerSignature Off HostnameLookups Off From: # ServerTokensTo: ServerTokens Prod From: ServerAdmin you@yourhost.comTo: ServerAdmin webmaster@yourcompany.com From: LogLevel warnTo: LogLevel notice From: IndexOptions FancyIndexing VersionSortTo: # IndexOptions FancyIndexing VersionSort # To: # AddIcon From: DefaultIcon /icons/unknown.gifTo: # DefaultIcon /icons/unknown.gif From: Alias /icons/ “/var/apache2/icons/”To: # Alias /icons/ “/var/apache2/icons/” From: AliasMatchTo: # […]

Apache capacity planning LogFormat “%{X-Forwarded-For}i %l %u %t \”%r\” %>s %b \”%{Referer}i\” \”%{User-Agent}i\”” proxy SetEnvIf X-Forwarded-For “^.*\..*\..*\..*” forwarded CustomLog “logs/access_log” combined env=!forwarded CustomLog “logs/access_log” proxy env=forwarded The apache MPM http://articles.slicehost.com/2010/5/19/configuring-the-apache-mpm-on-centos http://www.howtoforge.com/configuring_apache_for_maximum_performance The apache MPM Part of the apache web server installation is the “MPM”, which stands for “Multi-Processing Method”. The MPM determines the mechanism apache […]