Apache modules

Below is a list of all of the modules that come as part of the Apache distribution. See also the list of modules sorted alphabetically and the complete alphabetical list of all Apache directives. For modules that are not part of the Apache distribution, please see http://modules.apache.org.

Core

Core
Core Apache features

Environment Creation

mod_env
Passing of environments to CGI scripts
mod_setenvif Apache 1.3 and up
Set environment variables based on client information
mod_unique_id Apache 1.3 and up
Generate unique request identifier for every request

Content Type Decisions

mod_mime
Determining document types using file extensions
mod_mime_magic
Determining document types using "magic numbers"
mod_negotiation
Content negotiation

URL Mapping

mod_alias
Mapping different parts of the host filesystem in the document tree, and URL redirection
mod_rewrite Apache 1.2 and up
Powerful URI-to-filename mapping using regular expressions
mod_userdir
User home directories
mod_speling Apache 1.3 and up
Automatically correct minor typos in URLs
mod_vhost_alias Apache 1.3.7 and up
Support for dynamically configured mass virtual hosting

Directory Handling

mod_dir
Basic directory handling
mod_autoindex
Automatic directory listings

Access Control

mod_access
Access control based on client hostname or IP address
mod_auth
User authentication using text files
mod_auth_dbm
User authentication using DBM files
mod_auth_db
User authentication using Berkeley DB files
mod_auth_anon Apache 1.1 and up
Anonymous user access to authenticated areas
mod_auth_digest Apache 1.3.8 and up
Experimental MD5 authentication
mod_digest Apache 1.1 and up
MD5 authentication

HTTP Response

mod_headers Apache 1.2 and up
Add arbitrary HTTP headers to resources
mod_cern_meta Apache 1.1 and up
Support for HTTP header metafiles
mod_expires Apache 1.2 and up
Apply Expires: headers to resources
mod_asis
Sending files which contain their own HTTP headers

Dynamic Content

mod_include
Server-parsed documents
mod_cgi
Invoking CGI scripts
mod_actions Apache 1.1 and up
Executing CGI scripts based on media type or request method
mod_isapi WIN32 only
Windows ISAPI Extension support

Internal Content Handlers

mod_status Apache 1.1 and up
Server status display
mod_info Apache 1.1 and up
Server configuration information

Logging

mod_log_config
User-configurable logging replacement for mod_log_common
mod_log_agent
Logging of User Agents
mod_log_referer
Logging of document references
mod_usertrack Apache 1.2 and up
User tracking using Cookies (replacement for mod_cookies.c)

Miscellaneous

mod_imap Apache 1.1 and up
The imagemap file handler
mod_proxy Apache 1.1 and up
Caching proxy abilities
mod_so Apache 1.3 and up
Support for loading modules (DLLs on Windows) at runtime
mod_mmap_static Apache 1.3 and up
Experimental file caching, mapping files into memory to improve performace

Development

mod_example Apache 1.2 and up
Demonstrates Apache API

Obsolete

mod_browser Apache 1.2.* only
Set environment variables based on User-Agent strings. Replaced by mod_setenvif in Apache 1.3 and up
mod_cookies up to Apache 1.1.1
Support for Netscape-like cookies. Replaced in Apache 1.2 by mod_usertrack
mod_dld Apache 1.2.* and earlier
Start-time linking with the GNU libdld. Replaced in Apache 1.3 by mod_so
mod_log_common up to Apache 1.1.1
Standard logging in the Common Logfile Format. Replaced by the mod_log_config module in Apache 1.2 and up