Apache Module mod_usertrack Description: Clickstream logging of user activity on a site Status: Extension ModuleIdentifier: usertrack_module SourceFile: mod_usertrack.c Summary Provides tracking of a user through your website via browser cookies. Logging mod_usertrack sets a cookie which can be logged via mod_log_config configurable logging formats: LogFormat "%{Apache}n %r %t" usertrack CustomLog logs/clickstream.log usertrack CookieDomain Directive Description: The domain to which

Apache Module mod_deflate Description: Compress content before it is delivered to the client Status: Extension ModuleIdentifier: deflate_module SourceFile: mod_deflate.c Summary The mod_deflate module provides the DEFLATE output filter that allows output from your server to be compressed before being sent to the client over the network. Supported Encodings The gzip encoding is the only one supported to ensure complete compatibility with old browser implementations. The deflate encoding i

Apache Module mod_lbmethod_byrequests Description: Request Counting load balancer scheduler algorithm for mod_proxy_balancer Status: Extension ModuleIdentifier: lbmethod_byrequests_module SourceFile: mod_lbmethod_byrequests.c Compatibility: Split off from mod_proxy_balancer in 2.3 Summary This module does not provide any configuration directives of its own. It requires the services of mod_proxy_balancer, and provides the byrequests load balancing method.. Request Counting Algorithm Enab

VirtualHost Examples This document attempts to answer the commonly-asked questions about setting up virtual hosts. These scenarios are those involving multiple web sites running on a single server, via name-based or IP-based virtual hosts. Running several name-based web sites on a single IP address. Your server has multiple hostnames that resolve to a single address, and you want to respond differently for www.example.com and www.example.org. Note Creating virtual host configurations on

Apache Module mod_authn_core Description: Core Authentication Status: Base ModuleIdentifier: authn_core_module SourceFile: mod_authn_core.c Compatibility: Available in Apache 2.3 and later Summary This module provides core authentication capabilities to allow or deny access to portions of the web site. mod_authn_core provides directives that are common to all authentication providers. Creating Authentication Provider Aliases Extended authentication providers can be created within the con

SSL/TLS Strong Encryption: FAQ The wise man doesn't give the right answers, he poses the right questions. -- Claude Levi-Strauss Installation Why do I get permission errors related to SSLMutex when I start Apache? Why does mod_ssl stop with the error "Failed to generate temporary 512 bit RSA private key" when I start Apache? Why do I get permission errors related to SSLMutex when I start Apache? Errors such as ``mod_ssl: Child could not open SSLMutex lockfile /opt/apache/logs/ssl_mutex

Expressions in Apache HTTP Server Historically, there are several syntax variants for expressions used to express a condition in the different modules of the Apache HTTP Server. There is some ongoing effort to only use a single variant, called ap_expr, for all configuration directives. This document describes the ap_expr expression parser. The ap_expr expression is intended to replace most other expression variants in HTTPD. For example, the deprecated SSLRequire expressions can be replaced b

Apache MPM netware Description: Multi-Processing Module implementing an exclusively threaded web server optimized for Novell NetWare Status: MPM ModuleIdentifier: mpm_netware_module SourceFile: mpm_netware.c Summary This Multi-Processing Module (MPM) implements an exclusively threaded web server that has been optimized for Novell NetWare. The main thread is responsible for launching child worker threads which listen for connections and serve them when they arrive. Apache HTTP Server always t

Apache Module mod_echo Description: A simple echo server to illustrate protocol modules Status: Experimental ModuleIdentifier: echo_module SourceFile: mod_echo.c Summary This module provides an example protocol module to illustrate the concept. It provides a simple echo server. Telnet to it and type stuff, and it will echo it. ProtocolEcho Directive Description: Turn the echo server on or off Syntax: ProtocolEcho On|Off Default: ProtocolEcho Off Context: server config, virtual host Statu

Apache Module mod_version Description: Version dependent configuration Status: Extension ModuleIdentifier: version_module SourceFile: mod_version.c Summary This module is designed for the use in test suites and large networks which have to deal with different httpd versions and different configurations. It provides a new container -- <IfVersion>, which allows a flexible version checking including numeric comparisons and regular expressions. Examples <IfVersion 2.4.2> # curre