Directive Quick Reference

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The directive quick reference shows the usage, default, status, and context of each Apache configuration directive. For more information about each of these, see the Directive Dictionary.

The first column gives the directive name and usage. The second column shows the default value of the directive, if a default exists. If the default is too large to display, it will be truncated and followed by "+".

The third and fourth columns list the contexts where the directive is allowed and the status of the directive according to the legend tables below.

A | B | C | D | E | F | G | H | I | K | L | M | N | O | P | R | S | T | U | V | W | X

s	server config
v	virtual host
d	directory
h	.htaccess

C	Core
M	MPM
B	Base
E	Extension
X	Experimental

AcceptFilter `protocol` `accept_filter`		s	C
Configures optimizations for a Protocol's Listener Sockets
AcceptMutex Default\|`method`	Default	s	M
Method that Apache uses to serialize multiple children accepting requests on network sockets
AcceptPathInfo On\|Off\|Default	Default	svdh	C
Resources accept trailing pathname information
AccessFileName `filename` [`filename`] ...	.htaccess	sv	C
Name of the distributed configuration file
Action `action-type` `cgi-script` [virtual]		svdh	B
Activates a CGI script for a particular handler or content-type
AddAlt `string` `file` [`file`] ...		svdh	B
Alternate text to display for a file, instead of an icon selected by filename
AddAltByEncoding `string` `MIME-encoding` [`MIME-encoding`] ...		svdh	B
Alternate text to display for a file instead of an icon selected by MIME-encoding
AddAltByType `string` `MIME-type` [`MIME-type`] ...		svdh	B
Alternate text to display for a file, instead of an icon selected by MIME content-type
AddCharset `charset` `extension` [`extension`] ...		svdh	B
Maps the given filename extensions to the specified content charset
AddDefaultCharset On\|Off\|`charset`	Off	svdh	C
Default charset parameter to be added when a response content-type is `text/plain` or `text/html`
AddDescription `string file` [`file`] ...		svdh	B
Description to display for a file
AddEncoding `MIME-enc` `extension` [`extension`] ...		svdh	B
Maps the given filename extensions to the specified encoding type
AddHandler `handler-name` `extension` [`extension`] ...		svdh	B
Maps the filename extensions to the specified handler
AddIcon `icon` `name` [`name`] ...		svdh	B
Icon to display for a file selected by name
AddIconByEncoding `icon` `MIME-encoding` [`MIME-encoding`] ...		svdh	B
Icon to display next to files selected by MIME content-encoding
AddIconByType `icon` `MIME-type` [`MIME-type`] ...		svdh	B
Icon to display next to files selected by MIME content-type
AddInputFilter `filter`[;`filter`...] `extension` [`extension`] ...		svdh	B
Maps filename extensions to the filters that will process client requests
AddLanguage `MIME-lang` `extension` [`extension`] ...		svdh	B
Maps the given filename extension to the specified content language
AddModuleInfo `module-name` `string`		sv	E
Adds additional information to the module information displayed by the server-info handler
AddOutputFilter `filter`[;`filter`...] `extension` [`extension`] ...		svdh	B
Maps filename extensions to the filters that will process responses from the server
AddOutputFilterByType `filter`[;`filter`...] `MIME-type` [`MIME-type`] ...		svdh	C
assigns an output filter to a particular MIME-type
AddType `MIME-type` `extension` [`extension`] ...		svdh	B
Maps the given filename extensions onto the specified content type
Alias `URL-path` `file-path`\|`directory-path`		sv	B
Maps URLs to filesystem locations
AliasMatch `regex` `file-path`\|`directory-path`		sv	B
Maps URLs to filesystem locations using regular expressions
Allow from all\|`host`\|env=