Apache HTTP Server Version 2.2

Apache > HTTP Server > Documentation > Version 2.2

# Module Index

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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.

### See also

- Multi-Processing Modules (MPMs)
- Directive Quick Reference

## 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)
beos
  This Multi-Processing Module is optimized for BeOS.
event
  An experimental variant of the standard `worker` MPM
mpm_netware
  Multi-Processing Module implementing an exclusively threaded web server optimized for Novell NetWare
mpmt_os2
  Hybrid multi-process, multi-threaded MPM for OS/2
prefork
  Implements a non-threaded, pre-forking web server
mpm_winnt
  This Multi-Processing Module is optimized for Windows NT.
worker
  Multi-Processing Module implementing a hybrid multi-threaded multi-process web server

## Other Modules

A | C | D | E | F | H | I | L | M | N | P | R | S | U | V

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_basic
  Basic authentication
mod_auth_digest
  User authentication using MD5 Digest Authentication.
mod_authn_alias
  Provides the ability to create extended authentication providers based on actual providers
mod_authn_anon
  Allows "anonymous" user access to authenticated areas
mod_authn_dbd
  User authentication using an SQL database
mod_authn_dbm
  User authentication using DBM files
mod_authn_default
  Authentication fallback module
mod_authn_file
  User authentication using text files
mod_authnz_ldap
  Allows an LDAP directory to be used to store the database for HTTP Basic authentication.
mod_authz_dbm
  Group authorization using DBM files
mod_authz_default
  Authorization fallback module
mod_authz_groupfile
  Group authorization using plaintext files
mod_authz_host
  Group authorizations based on host (name or IP address)
mod_authz_owner
  Authorization based on file ownership
mod_authz_user
  User Authorization
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_dav_fs
  filesystem provider for `mod_dav`
mod_dav_lock
  generic locking module for `mod_dav`
mod_dbd
  Manages SQL database connections
mod_deflate
  Compress content before it is delivered to the client
mod_dir
  Provides for "trailing slash" redirects and serving directory index files
mod_disk_cache
  Content cache storage manager keyed to URIs
mod_dumpio
  Dumps all I/O to error log as desired.
mod_echo
  A simple echo server to illustrate protocol modules
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` and `Cache-Control` 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_filter
  Context-sensitive smart filter configuration module
mod_headers
  Customization of HTTP request and response headers
mod_ident
  RFC 1413 ident lookups
mod_imagemap
  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_ldap
  LDAP connection pooling and result caching services for use by other LDAP modules
mod_log_config
  Logging of the requests made to the server
mod_log_forensic
  Forensic Logging of the requests made to the server
mod_logio
  Logging of input and output bytes per request
mod_mem_cache
  Content cache keyed to URIs
mod_mime
  Associates the requested filename's extensions 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_nw_ssl
  Enable SSL encryption for NetWare
mod_proxy
  HTTP/1.1 proxy/gateway server
mod_proxy_ajp
  AJP support module for `mod_proxy`
mod_proxy_balancer
  `mod_proxy` extension for load balancing
mod_proxy_connect
  `mod_proxy` extension for `CONNECT` request handling
mod_proxy_ftp
  FTP support module for `mod_proxy`
mod_proxy_http
  HTTP support module for `mod_proxy`
mod_proxy_scgi
  SCGI gateway module for `mod_proxy`
mod_reqtimeout
  Set timeout and minimum data rate for receiving requests
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
  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_substitute
  Perform search and replace operations on response bodies
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
  User-specific directories
mod_usertrack
  Clickstream logging of user activity on a site
mod_version
  Version dependent configuration
mod_vhost_alias
  Provides for dynamically configured mass virtual hosting

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