> ### Apache HTTP Server Version 2.0

> # Module Index

> Below is a list of all of the modules that come as part of the Apache distribution. See also the complete alphabetical list of all Apache directives.

> ## Core Features and Multi-Processing Modules

> core
>   Core Apache HTTP Server features that are always available
> mpm_common
>   A collection of directives that are implemented by more than one multi-processing module (MPM)
> mpm_netware
>   Multi-Processing Module implementing an exclusively threaded web server optimized for Novell NetWare
> mpm_winnt
>   This Multi-Processing Module is optimized for Windows NT.
> perchild
>   Multi-Processing Module allowing for daemon processes serving requests to be assigned a variety of different userids
> prefork
>   Implements a non-threaded, pre-forking web server
> worker
>   Multi-Processing Module implementing a hybrid multi-threaded multi-process web server

> ## Other Modules

> mod_access
>   Provides access control based on client hostname, IP address, or other characteristics of the client request.
> mod_actions
>   This module provides for executing CGI scripts based on media type or request method.
> mod_alias
>   Provides for mapping different parts of the host filesystem in the document tree and for URL redirection
> mod_asis
>   Sends files that contain their own HTTP headers
> mod_auth
>   User authentication using text files
> mod_auth_anon
>   Allows "anonymous" user access to authenticated areas
> mod_auth_dbm
>   Provides for user authentication using DBM files
> mod_auth_digest
>   User authentication using MD5 Digest Authentication.
> mod_autoindex
>   Generates directory indexes, automatically, similar to the Unix ls command or the Win32 dir shell command
> mod_cache
>   Content cache keyed to URIs
> mod_cern_meta
>   CERN httpd metafile semantics
> mod_cgi
>   Execution of CGI scripts
> mod_cgid
>   Execution of CGI scripts using an external CGI daemon
> mod_charset_lite
>   Specify character set translation or recoding
> mod_dav
>   Distributed Authoring and Versioning (WebDAV) functionality
> mod_deflate
>   Compress content before it is delivered to the client
> mod_dir
>   Provides for "trailing slash" redirects and serving directory index files
> mod_env
>   Modifies the environment which is passed to CGI scripts and SSI pages
> mod_example
>   Illustrates the Apache module API
> mod_expires
>   Generation of `Expires` HTTP headers according to user-specified criteria
> mod_ext_filter
>   Pass the response body through an external program before delivery to the client
> mod_file_cache
>   Caches a static list of files in memory
> mod_headers
>   Customization of HTTP request and response headers
> mod_imap
>   Server-side imagemap processing
> mod_include
>   Server-parsed html documents (Server Side Includes)
> mod_info
>   Provides a comprehensive overview of the server configuration
> mod_isapi
>   ISAPI Extensions within Apache for Windows
> mod_log_config
>   Logging of the requests made to the server
> mod_mime
>   Associates the request filename's extensions (e.g. .html) with the file's behavior (handlers and filters) and content (mime-type, language, character set and encoding)
> mod_mime_magic
>   Determines the MIME type of a file by looking at a few bytes of its contents
> mod_negotiation
>   Provides for content negotiation
> mod_proxy
>   HTTP/1.1 proxy/gateway server
> mod_rewrite
>   Provides a rule-based rewriting engine to rewrite requested URLs on the fly
> mod_setenvif
>   Allows the setting of environment variables based on characteristics of the request
> mod_so
>   This module provides for loading of executable code and modules into the server at start-up or restart time.
> mod_speling
>   Attempts to correct mistaken URLs that users might have entered by ignoring capitalization and by allowing up to one misspelling
> mod_ssl
>   Strong cryptography using the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols
> mod_status
>   Provides information on server activity and performance
> mod_suexec
>   Allows CGI scripts to run as a specified user and Group
> mod_unique_id
>   Provides an environment variable with a unique identifier for each request
> mod_userdir
>   Provides for user-specific directories
> mod_usertrack
>   This module uses cookies to provide for a clickstream log of user activity on a site.
> mod_vhost_alias
>   Provides for dynamically configured mass virtual hosting

### Apache HTTP Server Version 2.0