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Apache HTTP Server Version 2.4

Apache > HTTP Server > Documentation > Version 2.4 > Modules

Directive Quick Reference

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  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Z

s server config v virtual host d directory h .htaccess

C Core M MPM B Base E Extension X Experimental T External

A2ECharsetDefault charset		svdh	X
Charset to translate into
A2EOptions option [option] ...	DebugLevel=0 Transl +	svdh	X
Configures charset translation behavior
A2ESourceEnc charset	UTF-8	svdh	X
Source charset of files
AcceptErrorsNonFatal ON		s	M
Treat some errors accepting a new connection as non-fatal to the httpd process.
AcceptFilter protocol accept_filter		s	C
Configures optimizations for a Protocol's Listener 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 encoding 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 language-tag 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...] media-type [media-type] ...		svdh	B
assigns an output filter to a particular media-type
AddServerHeader on|off	off	sv	C
Determines whether the Server header is added to the response
AddType media-type extension [extension] ...		svdh	B
Maps the given filename extensions onto the specified content type
Alias [URL-path] file-path|directory-path		svd	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=[!]env-variable [host|env=[!]env-variable] ...		dh	E
Controls which hosts can access an area of the server
AllowCONNECT port[-port] [port[-port]] ...	443 563	sv	E
Ports that are allowed to CONNECT through the proxy
AllowEncodedSlashes On|Off|NoDecode	Off	sv	C
Determines whether encoded path separators in URLs are allowed to be passed through
AllowMethods reset|HTTP-method [HTTP-method]...	reset	d	X
Restrict access to the listed HTTP methods
AllowOverride All|None|directive-type [directive-type] ...	None (2.3.9 and lat +	d	C
Types of directives that are allowed in .htaccess files
AllowOverrideList None|directive [directive-type] ...	None	d	C
Individual directives that are allowed in .htaccess files
AlwaysReport ON|OFF		s	E
Configures interval based reporting even when all threads are
Anonymous user [user] ...		dh	E
Specifies userIDs that are allowed access without password verification
Anonymous_LogEmail On|Off	On	dh	E
Sets whether the password entered will be logged in the error log
Anonymous_MustGiveEmail On|Off	On	dh	E
Specifies whether blank passwords are allowed
Anonymous_NoUserID On|Off	Off	dh	E
Sets whether the userID field may be empty
Anonymous_VerifyEmail On|Off	Off	dh	E
Sets whether to check the password field for a correctly formatted email address
AsyncRequestWorkerFactor factor		s	M
Limit concurrent connections per process
AuthBasicAuthoritative On|Off	On	dh	B
Sets whether authorization and authentication are passed to lower level modules
AuthBasicFake off|username [password]		dh	B
Fake basic authentication using the given expressions for username and password
AuthBasicProvider provider-name [provider-name] ...	file	dh	B
Sets the authentication provider(s) for this location
AuthBasicUseDigestAlgorithm MD5|Off	Off	dh	B
Check passwords against the authentication providers as if Digest Authentication was in force instead of Basic Authentication.
AuthDBMGroupFile file-path		dh	E
Sets the name of the database file containing the list of user groups for authorization
AuthDBMType default|SDBM|GDBM|NDBM|DB	default	dh	E
Sets the type of database file that is used to store passwords
AuthDBMUserFile file-path		dh	E
Sets the name of a database file containing the list of users and passwords for authentication
AuthGroupFile file-path		dh	B
Sets the name of a text file containing the list of user groups for authorization
AuthLDAPAuthorizePrefix prefix	AUTHORIZE_	dh	E
Specifies the prefix for environment variables set during authorization
AuthLDAPBindAuthoritative off|on	on	dh	E
Determines if other authentication providers are used when a user can be mapped to a DN but the server cannot successfully bind with the user's credentials.
AuthLDAPBindDN distinguished-name		dh	E
Optional DN to use in binding to the LDAP server
AuthLDAPBindPassword password		dh	E
Password used in conjuction with the bind DN
AuthLDAPCharsetConfig file-path		s	E
Language to charset conversion configuration file
AuthLDAPCompareAsUser on|off	off	dh	E
Use the authenticated user's credentials to perform authorization comparisons
AuthLDAPCompareDNOnServer on|off	on	dh	E
Use the LDAP server to compare the DNs
AuthLDAPDereferenceAliases never|searching|finding|always	always	dh	E
When will the module de-reference aliases
AuthLDAPDNFromBindAsUser ON|OFF	OFF	dh	E
Set to ON to use the value obtained from AuthLDAPInitialBindPattern as the DN for further processing
AuthLDAPGroupAttribute attribute	member uniquemember +	dh	E
LDAP attributes used to identify the user members of groups.
AuthLDAPGroupAttributeIsDN on|off	on	dh	E
Use the DN of the client username when checking for group membership
AuthLDAPInitialBindAsUser off|on	off	dh	E
Determines if the server does the initial DN lookup using the basic authentication users' own username, instead of anonymously or with hard-coded credentials for the server
AuthLDAPInitialBindPattern regex substitution	(.*) $1 (remote use +	dh	E
Specifies the transformation of the basic authentication username to be used when binding to the LDAP server to perform a DN lookup
AuthLDAPMaxSubGroupDepth Number	10	dh	E
Specifies the maximum sub-group nesting depth that will be evaluated before the user search is discontinued.
AuthLDAPRemoteUserAttribute uid		dh	E
Use the value of the attribute returned during the user query to set the REMOTE_USER environment variable
AuthLDAPRemoteUserIsDN on|off	off	dh	E
Use the DN of the client username to set the REMOTE_USER environment variable
AuthLDAPSearchAsUser on|off	off	dh	E
Use the authenticated user's credentials to perform authorization searches
AuthLDAPSubGroupAttribute attribute		dh	E
Specifies the attribute labels, one value per directive line, used to distinguish the members of the current group that are groups.
AuthLDAPSubGroupClass LdapObjectClass	groupOfNames groupO +	dh	E
Specifies which LDAP objectClass values identify directory objects that are groups during sub-group processing.
AuthLDAPUrl url [NONE|SSL|TLS|STARTTLS]		dh	E
URL specifying the LDAP search parameters
AuthMerging Off | And | Or	Off	dh	B
Controls the manner in which each configuration section's authorization logic is combined with that of preceding configuration sections.
AuthName auth-domain		dh	B
Authorization realm for use in HTTP authentication
<AuthnProviderAlias baseProvider Alias> ... </AuthnProviderAlias>		s	B
Enclose a group of directives that represent an extension of a base authentication provider and referenced by the specified alias
n/a		d	E
Dummy directive, no longer required as of 9.0.0.0
AuthSAFExpiration custom-text|"OFF"	OFF	d	E
Value appended to HTTP Basic Auth realm on password expiration
AuthSAFExpiredForm URL		d	E
Specifies a redirection URL to send users with an expired password to.
AuthSAFExpiredRedirect fully-qualified-URL		d	E
Specifies a redirection URL to send users with expired password to.
AuthSAFReEnter custom-text	OFF	d	E
Value appended to HTTP Basic Auth realm after password change
AuthSAFSetErrorReason ON|OFF		sv	E
Provides reason for SAF authentication failure
AuthSAFUpdateFailedMessage message		d	E
Message added to an error page if too many attempts to password update have failed.
AuthType None|Basic|Digest|Form		dh	B
Type of user authentication
AuthUserFile file-path		dh	B
Sets the name of a text file containing the list of users and passwords for authentication
AuthzDBMType default|SDBM|GDBM|NDBM|DB	default	dh	E
Sets the type of database file that is used to store list of user groups
<AuthzProviderAlias baseProvider Alias Require-Parameters> ... </AuthzProviderAlias>		s	B
Enclose a group of directives that represent an extension of a base authorization provider and referenced by the specified alias
AuthzSendForbiddenOnFailure On|Off	Off	dh	B
Send '403 FORBIDDEN' instead of '401 UNAUTHORIZED' if authentication succeeds but authorization fails
BalancerGrowth #	5	sv	E
Number of additional Balancers that can be added Post-configuration
BalancerInherit On|Off	On	sv	E
Inherit ProxyPassed Balancers/Workers from the main server
BalancerMember [balancerurl] url [key=value [key=value ...]]		d	E
Add a member to a load balancing group
BalancerPersist On|Off	Off	sv	E
Attempt to persist changes made by the Balancer Manager across restarts.
BrowserMatch regex [!]env-variable[=value] [[!]env-variable[=value]] ...		svdh	B
Sets environment variables conditional on HTTP User-Agent
BrowserMatchNoCase regex [!]env-variable[=value] [[!]env-variable[=value]] ...		svdh	B
Sets environment variables conditional on User-Agent without respect to case
BufferedLogs On|Off	Off	s	B
Buffer log entries in memory before writing to disk
CacheDefaultExpire seconds	3600 (one hour)	svdh	E
The default duration to cache a document when no expiry date is specified.
CacheDetailHeader on|off	off	svdh	E
Add an X-Cache-Detail header to the response.
CacheDirLength length	2	sv	E
The number of characters in subdirectory names
CacheDirLevels levels	2	sv	E
The number of levels of subdirectories in the cache.
CacheDisable url-string | on		svdh	E
Disable caching of specified URLs
CacheEnable cache_type [url-string]		svd	E
Enable caching of specified URLs using a specified storage manager
CacheFile file-path [file-path] ...		s	X
Cache a list of file handles at startup time
CacheHeader on|off	off	svdh	E
Add an X-Cache header to the response.
CacheIgnoreCacheControl On|Off	Off	sv	E
Ignore request to not serve cached content to client
CacheIgnoreHeaders header-string [header-string] ...	None	sv	E
Do not store the given HTTP header(s) in the cache.
CacheIgnoreNoLastMod On|Off	Off	svdh	E
Ignore the fact that a response has no Last Modified header.
CacheIgnoreQueryString On|Off	Off	sv	E
Ignore query string when caching
CacheIgnoreURLSessionIdentifiers identifier [identifier] ...	None	sv	E
Ignore defined session identifiers encoded in the URL when caching
CacheKeyBaseURL URL	http://example.com	sv	E
Override the base URL of reverse proxied cache keys.
CacheLastModifiedFactor float	0.1	svdh	E
The factor used to compute an expiry date based on the LastModified date.
CacheLock on|off	off	sv	E
Enable the thundering herd lock.
CacheLockMaxAge integer	5	sv	E
Set the maximum possible age of a cache lock.
CacheLockPath directory	/tmp/mod_cache-lock +	sv	E
Set the lock path directory.
CacheMaxExpire seconds	86400 (one day)	svdh	E
The maximum time in seconds to cache a document
CacheMaxFileSize bytes	1000000	svdh	E
The maximum size (in bytes) of a document to be placed in the cache
CacheMinExpire seconds	0	svdh	E
The minimum time in seconds to cache a document
CacheMinFileSize bytes	1	svdh	E
The minimum size (in bytes) of a document to be placed in the cache
CacheNegotiatedDocs On|Off	Off	sv	B
Allows content-negotiated documents to be cached by proxy servers
CacheQuickHandler on|off	on	sv	E
Run the cache from the quick handler.
CacheReadSize bytes	0	svdh	E
The minimum size (in bytes) of the document to read and be cached before sending the data downstream
CacheReadTime milliseconds	0	svdh	E
The minimum time (in milliseconds) that should elapse while reading before data is sent downstream
CacheRoot directory		sv	E
The directory root under which cache files are stored
CacheStaleOnError on|off	on	svdh	E
Serve stale content in place of 5xx responses.
CacheStoreExpired On|Off	Off	svdh	E
Attempt to cache responses that the server reports as expired
CacheStoreNoStore On|Off	Off	svdh	E
Attempt to cache requests or responses that have been marked as no-store.
CacheStorePrivate On|Off	Off	svdh	E
Attempt to cache responses that the server has marked as private
CertificateUserName OFF|ON		vd	E
Enables processing by this module
CertificateUsernameExpression expression		vd	E
Instructs this module how to map a distinguished name to a HTTP username
CGIDocumentURIIgnoreDirIndex [on|off]	off	svdh	C
Compatibility flag for DOCUMENT_URI and mod_dir
CGIDScriptTimeout time[s|ms]		svdh	B
The length of time to wait for more output from the CGI program
CGIMapExtension cgi-path .extension		dh	C
Technique for locating the interpreter for CGI scripts
CGIPassAuth On|Off	Off	dh	C
Enables passing HTTP authorization headers to scripts as CGI variables
CGIScriptTimeout time[s|ms]		svdh	B
The length of time to wait for more output from the CGI program
CGISetDocumentNameToFullPath[on|off]		svdh	C
Set DOCUMENT_ROOT to the dirname of the requested file
CGISetDocumentRootToDirname [on|off]	off	svdh	C
Set DOCUMENT_ROOT to the dirname of the requested file
CGISetDocumentVars [on|off]	off	svdh	C
Set DOCUMENT_ROOT and DOCUMENT_NAME in CGI scripts
CGIVar variable rule		dh	C
Controls how some CGI variables are set
CharsetAutoindex fromcharset tocharset		s	X
Configures charset translation of output of mod_autoindex
CharsetCompatDefault charset	ISO8859-1	svdh	X
CharsetCompat to translate into
CharsetCompatSourceEnc charset	IBM1047	svdh	X
Source charset of files
CharsetDefault charset		svdh	X
Charset to translate into
CharsetOptions option [option] ...	DebugLevel=0 Implic +	svdh	X
Configures charset translation behavior
CharsetSourceEnc charset		svdh	X
Source charset of files
CheckCaseOnly on|off	Off	svdh	E
Limits the action of the speling module to case corrections
CheckSpelling on|off	Off	svdh	E
Enables the spelling module
ChrootDir /path/to/directory		s	B
Directory for apache to run chroot(8) after startup.
ContentDigest On|Off	Off	svdh	C
Enables the generation of Content-MD5 HTTP Response headers
CookieDomain domain		svdh	E
The domain to which the tracking cookie applies
CookieExpires expiry-period		svdh	E
Expiry time for the tracking cookie
CookieName token	Apache	svdh	E
Name of the tracking cookie
CookieStyle Netscape|Cookie|Cookie2|RFC2109|RFC2965	Netscape	svdh	E
Format of the cookie header field
CookieTracking on|off	off	svdh	E
Enables tracking cookie
CoreDumpDirectory directory		s	M
Directory where Apache HTTP Server attempts to switch before dumping core
CustomLog file|pipe format|nickname [env=[!]environment-variable| expr=expression]		sv	B
Sets filename and format of log file
Dav On|Off|provider-name	Off	d	E
Enable WebDAV HTTP methods
DavDepthInfinity on|off	off	svd	E
Allow PROPFIND, Depth: Infinity requests
DavLockDB file-path		sv	E
Location of the DAV lock database
DavMinTimeout seconds	0	svd	E
Minimum amount of time the server holds a lock on a DAV resource
DefaultIcon url-path		svdh	B
Icon to display for files when no specific icon is configured
DefaultLanguage language-tag		svdh	B
Defines a default language-tag to be sent in the Content-Language header field for all resources in the current context that have not been assigned a language-tag by some other means.
DefaultRuntimeDir directory-path	DEFAULT_REL_RUNTIME +	s	C
Base directory for the server run-time files
DefaultType media-type|none	none	svdh	C
This directive has no effect other than to emit warnings if the value is not none. In prior versions, DefaultType would specify a default media type to assign to response content for which no other media type configuration could be found.
Define parameter-name [parameter-value]		svd	C
Define a variable
DeflateBufferSize value	8096	sv	E
Fragment size to be compressed at one time by zlib
DeflateCompressionLevel value		sv	E
How much compression do we apply to the output
DeflateFilterNote [type] notename		sv	E
Places the compression ratio in a note for logging
DeflateInflateLimitRequestBodyvalue		svdh	E
Maximum size of inflated request bodies
DeflateInflateRatioBurst value		svdh	E
Maximum number of times the inflation ratio for request bodies can be crossed
DeflateInflateRatioLimit value		svdh	E
Maximum inflation ratio for request bodies
DeflateMemLevel value	9	sv	E
How much memory should be used by zlib for compression
DeflateWindowSize value	15	sv	E
Zlib compression window size
Deny from all|host|env=[!]env-variable [host|env=[!]env-variable] ...		dh	E
Controls which hosts are denied access to the server
DGWScriptCompat [on|off]	off	svdh	C
Set all DGW CGI-related compatibility flags
<Directory directory-path> ... </Directory>		sv	C
Enclose a group of directives that apply only to the named file-system directory, sub-directories, and their contents.
DirectoryCheckHandler On|Off	Off	svdh	B
Toggle how this module responds when another handler is configured
DirectoryIndex disabled | local-url [local-url] ...	index.html	svdh	B
List of resources to look for when the client requests a directory
DirectoryIndexRedirect on | off | permanent | temp | seeother | 3xx-code	off	svdh	B
Configures an external redirect for directory indexes.
<DirectoryMatch regex> ... </DirectoryMatch>		sv	C
Enclose directives that apply to the contents of file-system directories matching a regular expression.
DirectorySlash On|Off	On	svdh	B
Toggle trailing slash redirects on or off
DocumentRoot directory-path	"/usr/local/apache/ +	sv	C
Directory that forms the main document tree visible from the web
DumpIOInput On|Off	Off	s	E
Dump all input data to the error log
DumpIOOutput On|Off	Off	s	E
Dump all output data to the error log
<Else> ... </Else>		svdh	C
Contains directives that apply only if the condition of a previous <If> or <ElseIf> section is not satisfied by a request at runtime
<ElseIf expression> ... </ElseIf>		svdh	C
Contains directives that apply only if a condition is satisfied by a request at runtime while the condition of a previous <If> or <ElseIf> section is not satisfied
EnableExceptionHook On|Off	Off	s	M
Enables a hook that runs exception handlers after a crash
EnableMMAP On|Off	On	svdh	C
Use memory-mapping to read files during delivery
EnableSendfile On|Off	Off	svdh	C
Use the kernel sendfile support to deliver files to the client
Error message		svdh	C
Abort configuration parsing with a custom error message
ErrorDocument error-code document		svdh	C
What the server will return to the client in case of an error
ErrorLog file-path|syslog[:facility]	logs/error_log (Uni +	sv	C
Location where the server will log errors
ErrorLogFormat [connection|request] format		sv	C
Format specification for error log entries
Example		svdh	X
Demonstration directive to illustrate the Apache module API
ExpiresActive On|Off	Off	svdh	E
Enables generation of Expires headers
ExpiresByType MIME-type <code>seconds		svdh	E
Value of the Expires header configured by MIME type
ExpiresDefault <code>seconds		svdh	E
Default algorithm for calculating expiration time
ExtendedStatus On|Off		s	C
Keep track of extended status information for each request
ExtFilterDefine filtername parameters		s	E
Define an external filter
ExtFilterOptions option [option] ...	NoLogStderr	d	E
Configure mod_ext_filter options
FallbackResource disabled | local-url		svdh	B
Define a default URL for requests that don't map to a file
FastSequentialRequestTimeout timeout		s	M
Keepalives before fast sequential requests kick in
FastSequentialRequests on|off		s	M
Allow faster back-to-back requests
FastSequentialRequestTimeout timeout		s	M
Milliseconds to wait for another request
FileETag component ...	MTime Size	svdh	C
File attributes used to create the ETag HTTP response header for static files
<Files filename> ... </Files>		svdh	C
Contains directives that apply to matched filenames
<FilesMatch regex> ... </FilesMatch>		svdh	C
Contains directives that apply to regular-expression matched filenames
FilterChain [+=-@!]filter-name ...		svdh	B
Configure the filter chain
FilterDeclare filter-name [type]		svdh	B
Declare a smart filter
FilterProtocol filter-name [provider-name] proto-flags		svdh	B
Deal with correct HTTP protocol handling
FilterProvider filter-name provider-name expression		svdh	B
Register a content filter
FilterTrace filter-name level		svd	B
Get debug/diagnostic information from mod_filter
Forbid		d	C
Irrevocably forbid access to the enclosing scope
ForceLanguagePriority None|Prefer|Fallback [Prefer|Fallback]	Prefer	svdh	B
Action to take if a single acceptable document is not found
ForceType media-type|None		dh	C
Forces all matching files to be served with the specified media type in the HTTP Content-Type header field
GlobalLogfile|pipe format|nickname [env=[!]environment-variable| expr=expression]		s	B
Sets filename and format of log file
GprofDir /tmp/gprof/|/tmp/gprof/%		sv	C
Directory to write gmon.out profiling data to.
GracefulShutdownTimeout seconds	0	s	M
Specify a timeout after which a gracefully shutdown server will exit.
Group unix-group	#-1	s	B
Group under which the server will answer requests
Header [condition] add|append|echo|edit|edit*|merge|set|setifempty|unset|note header [[expr=]value [replacement] [early|env=[!]varname|expr=expression]]		svdh	E
Configure HTTP response headers
HeaderName filename		svdh	B
Name of the file that will be inserted at the top of the index listing
HeartbeatStorage file-path	logs/hb.dat	s	X
Path to read heartbeat data
HostnameLookups On|Off|Double	Off	svd	C
Enables DNS lookups on client IP addresses
HttpProtocolOptions [Strict|Unsafe] [RegisteredMethods|LenientMethods] [Allow0.9|Require1.0] [AllowEmptyFoldedLines|DenyEmptyFoldedLines]	Strict LenientMetho +	sv	C
Modify restrictions on HTTP Request Messages
<If expression> ... </If>		svdh	C
Contains directives that apply only if a condition is satisfied by a request at runtime
<IfDefine [!]parameter-name> ... </IfDefine>		svdh	C
Encloses directives that will be processed only if a test is true at startup
<IfFile [!]parameter-name> ... </IfFile>		svdh	C
Encloses directives that will be processed only if file exists at startup
<IfModule [!]module-file|module-identifier> ... </IfModule>		svdh	C
Encloses directives that are processed conditional on the presence or absence of a specific module
ImapBase map|referer|URL	http://servername/	svdh	B
Default base for imagemap files
ImapDefault error|nocontent|map|referer|URL	nocontent	svdh	B
Default action when an imagemap is called with coordinates that are not explicitly mapped
ImapMenu none|formatted|semiformatted|unformatted	formatted	svdh	B
Action if no coordinates are given when calling an imagemap
Include file-path|directory-path|wildcard		svd	C
Includes other configuration files from within the server configuration files
IncludeOptional file-path|directory-path|wildcard		svd	C
Includes other configuration files from within the server configuration files
IndexHeadInsert "markup ..."		svdh	B
Inserts text in the HEAD section of an index page.
IndexIgnore file [file] ...	"."	svdh	B
Adds to the list of files to hide when listing a directory
IndexIgnoreReset ON|OFF		svdh	B
Empties the list of files to hide when listing a directory
IndexOptions [+|-]option [[+|-]option] ...		svdh	B
Various configuration settings for directory indexing
IndexOrderDefault Ascending|Descending Name|Date|Size|Description	Ascending Name	svdh	B
Sets the default ordering of the directory index
IndexStyleSheet url-path		svdh	B
Adds a CSS stylesheet to the directory index
KeepAlive On|Off	On	sv	C
Enables HTTP persistent connections
KeepAliveTimeout num[ms]	5	sv	C
Amount of time the server will wait for subsequent requests on a persistent connection
KeepAliveTimeoutDelay num[ms]	200ms	s	C
Amount of time the server will wait past the KeepAliveTimeout before closing the persistent connection
KeyFile /path/to/key.kdb [/prompt] | /saf [owner/]saf-keyring-name		sv	E
Identifies the keyfile containing certificates and private keys.
LanguagePriority MIME-lang [MIME-lang] ...		svdh	B
The precedence of language variants for cases where the client does not express a preference
LDAPCacheEntries number	1024	s	E
Maximum number of entries in the primary LDAP cache
LDAPCacheTTL seconds	600	s	E
Time that cached items remain valid
LDAPConnectionPoolTTL n	-1	sv	E
Discard backend connections that have been sitting in the connection pool too long
LDAPConnectionTimeout seconds		s	E
Specifies the socket connection timeout in seconds
LDAPLibraryDebug 7		s	E
Enable debugging in the LDAP SDK
LDAPOpCacheEntries number	1024	s	E
Number of entries used to cache LDAP compare operations
LDAPOpCacheTTL seconds	600	s	E
Time that entries in the operation cache remain valid
LDAPReferralHopLimit number		dh	E
The maximum number of referral hops to chase before terminating an LDAP query.
LDAPReferrals On|Off|default	On	dh	E
Enable referral chasing during queries to the LDAP server.
LDAPRetries number-of-retries	3	s	E
Configures the number of LDAP server retries.
LDAPRetryDelay seconds	0	s	E
Configures the delay between LDAP server retries.
LDAPSharedCacheFile directory-path/filename		s	E
Sets the shared memory cache file
LDAPSharedCacheSize bytes		s	E
Size in bytes of the shared-memory cache
LDAPSSLProtocol SSLV3,TLS10,TLS11,TLS12,TLS13		s	E
Set SSL protocosl for LDAP connection
LDAPTimeout seconds	60	s	E
Specifies the timeout for LDAP search and bind operations, in seconds
LDAPTrustedClientCert type label		svdh	E
Sets the label referring to a per connection client certificate.
LDAPTrustedGlobalCert type key_database_name [password]		s	E
Sets the file or database containing global trusted Certificate Authority and/or global client certificates
LDAPTrustedMode type		sv	E
Specifies the SSL/TLS mode to be used when connecting to an LDAP server.
LDAPVerifyServerCert On|Off	On	s	E
Force server certificate verification
<Limit method [method] ... > ... </Limit>		dh	C
Restrict enclosed access controls to only certain HTTP methods
<LimitExcept method [method] ... > ... </LimitExcept>		dh	C
Restrict access controls to all HTTP methods except the named ones
LimitInternalRecursion number [number]	10	sv	C
Determine maximum number of internal redirects and nested subrequests
LimitRequestBody bytes	1073741824	svdh	C
Restricts the total size of the HTTP request body sent from the client
LimitRequestFields number	100	sv	C
Limits the number of HTTP request header fields that will be accepted from the client
LimitRequestFieldSize bytes	8190	sv	C
Limits the size of the HTTP request header allowed from the client
LimitRequestLine bytes	8190	sv	C
Limit the size of the HTTP request line that will be accepted from the client
LimitXMLRequestBody bytes	1000000	svdh	C
Limits the size of an XML-based request body
Listen [IP-address:]portnumber [protocol]		s	M
IP addresses and ports that the server listens to
ListenBacklog backlog		s	M
Maximum length of the queue of pending connections
ListenCoresBucketsRatio ratio	0 (disabled)	s	M
Ratio between the number of CPU cores (online) and the number of listeners' buckets
LoadFile filename [filename] ...		sv	E
Link in the named object file or library
LoadModule module filename		sv	E
Links in the object file or library, and adds to the list of active modules
<Location URL-path|URL> ... </Location>		sv	C
Applies the enclosed directives only to matching URLs
<LocationMatch regex> ... </LocationMatch>		sv	C
Applies the enclosed directives only to regular-expression matching URLs
LogFormat format|nickname [nickname]	"%h %l %u %t \"%r\" +	sv	B
Describes a format for use in a log file
LogIOTrackTTFB ON|OFF	OFF	svdh	E
Enable tracking of time to first byte (TTFB)
LogLevel [module:]level [module:level] ...	warn	svd	C
Controls the verbosity of the ErrorLog
LuaAuthzProvider provider_name /path/to/lua/script.lua function_name		s	X
Plug an authorization provider function into mod_authz_core
LuaCodeCache stat|forever|never	stat	svdh	X
Configure the compiled code cache.
LuaHookAccessChecker /path/to/lua/script.lua hook_function_name [early|late]		svdh	X
Provide a hook for the access_checker phase of request processing
LuaHookAuthChecker /path/to/lua/script.lua hook_function_name [early|late]		svdh	X
Provide a hook for the auth_checker phase of request processing
LuaHookCheckUserID /path/to/lua/script.lua hook_function_name [early|late]		svdh	X
Provide a hook for the check_user_id phase of request processing
LuaHookFixups /path/to/lua/script.lua hook_function_name		svdh	X
Provide a hook for the fixups phase of a request processing
LuaHookInsertFilter /path/to/lua/script.lua hook_function_name		svdh	X
Provide a hook for the insert_filter phase of request processing
LuaHookLog /path/to/lua/script.lua log_function_name		svdh	X
Provide a hook for the access log phase of a request processing
LuaHookMapToStorage /path/to/lua/script.lua hook_function_name		svdh	X
Provide a hook for the map_to_storage phase of request processing
LuaHookPreTranslate /path/to/lua/script.lua hook_function_name		svdh	X
Provide a hook for the pre_translate phase of a request processing
LuaHookTranslateName /path/to/lua/script.lua hook_function_name [early|late]		sv	X
Provide a hook for the translate name phase of request processing
LuaHookTypeChecker /path/to/lua/script.lua hook_function_name		svdh	X
Provide a hook for the type_checker phase of request processing
LuaInherit none|parent-first|parent-last	parent-first	svdh	X
Controls how parent configuration sections are merged into children
LuaInputFilter filter_name /path/to/lua/script.lua function_name		s	X
Provide a Lua function for content input filtering
LuaMapHandler uri-pattern /path/to/lua/script.lua [function-name]		svdh	X
Map a path to a lua handler
LuaOutputFilter filter_name /path/to/lua/script.lua function_name		s	X
Provide a Lua function for content output filtering
LuaPackageCPath /path/to/include/?.soa		svdh	X
Add a directory to lua's package.cpath
LuaPackagePath /path/to/include/?.lua		svdh	X
Add a directory to lua's package.path
LuaQuickHandler /path/to/script.lua hook_function_name		sv	X
Provide a hook for the quick handler of request processing
LuaRoot /path/to/a/directory		svdh	X
Specify the base path for resolving relative paths for mod_lua directives
LuaScope once|request|conn|thread|server [min] [max]	once	svdh	X
One of once, request, conn, thread -- default is once
<Macro name [par1 .. parN]> ... </Macro>		svd	B
Define a configuration file macro
MaxConnectionsPerChild number	0	s	M
Limit on the number of connections that an individual child server will handle during its life
MaxKeepAliveRequests number	100	sv	C
Number of requests allowed on a persistent connection
MaxMemFree KBytes	2048	s	M
Maximum amount of memory that the main allocator is allowed to hold without calling free()
MaxRangeOverlaps default | unlimited | none | number-of-ranges	20	svd	C
Number of overlapping ranges (eg: 100-200,150-300) allowed before returning the complete resource
MaxRangeReversals default | unlimited | none | number-of-ranges	20	svd	C
Number of range reversals (eg: 100-200,50-70) allowed before returning the complete resource
MaxRanges default | unlimited | none | number-of-ranges	200	svd	C
Number of ranges allowed before returning the complete resource
MaxRequestWorkers number		s	M
Maximum number of connections that will be processed simultaneously
MaxSpareThreads number		s	M
Maximum number of idle threads
MCacheMaxObjectCount value	1009	s	E
The maximum number of objects allowed to be placed in the cache
MCacheMaxObjectSize bytes	10000	s	E
The maximum size (in bytes) of a document allowed in the cache
MCacheMaxStreamingBuffer size_in_bytes	the smaller of 1000 +	s	E
Maximum amount of a streamed response to buffer in memory before declaring the response uncacheable
MCacheMinObjectSize bytes	1	s	E
The minimum size (in bytes) of a document to be allowed in the cache
MCacheRemovalAlgorithm LRU|GDSF	GDSF	s	E
The algorithm used to select documents for removal from the cache
MCacheSize KBytes	100	s	E
The maximum amount of memory used by the cache in KBytes
MergeSlashes ON|OFF	ON	sv	C
Controls whether the server merges consecutive slashes in URLs.
MergeTrailers [on|off]	off	sv	C
Determines whether trailers are merged into headers
MimeMagicFile file-path		sv	E
Enable MIME-type determination based on file contents using the specified magic file
MimeOptionsoption [option] ...		svdh	B
Configures mod_mime behavior
MinSpareThreads number		s	M
Minimum number of idle threads available to handle request spikes
MMapFile file-path [file-path] ...		s	X
Map a list of files into memory at startup time
ModMimeUsePathInfo On|Off	Off	d	B
Tells mod_mime to treat path_info components as part of the filename
MPMStatsBusyThreshold ratio	0.9	s	E
Sets threshold for "approaching MaxClients..." notice
MPMStatsSystemLog ON|OFF	OFF	s	E
Copies "approacing MaxClients..." notice to z/OS system log
MultiviewsMatch Any|NegotiatedOnly|Filters|Handlers [Handlers|Filters]	NegotiatedOnly	svdh	B
The types of files that will be included when searching for a matching file with MultiViews
Mutex mechanism [default|mutex-name] ... [OmitPID]	default	s	C
Configures mutex mechanism and lock file directory for all or specified mutexes
MVSDS ON|OFF		d	E
Enables serving MVS datasets for the enclosing location
MvsdsAlternateHtmlSniff OFF|ON		d	E
Specifies whether this module will use alternate rules when sniffing if a file is an HTML file or not.
MvsdsDefaultTextType media-type|none		d	E
Specify a default media type to assign to response content for which no other media type configuration could be found
MVSDSIndexes ON|OFF		d	E
Configures generated directory indexes of partitioned data sets
MvsdsNoBinarySniff OFF|ON		d	E
Specifies whether this module will try to determine if a type-less file is binary
NameVirtualHost addr[:port]		s	C
DEPRECATED: Designates an IP address for name-virtual hosting
NetTrace [keyword val]...		sv	E
Configures one or more capture specifications
NetTraceFile filesystem-path		sv	E
Configures an external trace file
NoProxy host [host] ...		sv	E
Hosts, domains, or networks that will be connected to directly
Options [+|-]option [[+|-]option] ...	FollowSymlinks	svdh	C
Configures what features are available in a particular directory
Order ordering	Deny,Allow	dh	E
Controls the default access state and the order in which Allow and Deny are evaluated.
PassEnv env-variable [env-variable] ...		svdh	B
Passes environment variables from the shell
PidFile filename	logs/httpd.pid	s	M
File where the server records the process ID of the daemon
Protocol protocol		sv	C
Protocol for a listening socket
Protocols protocol ...	http/1.1	sv	C
Protocols available for a server/virtual host
ProtocolsHonorOrder On|Off	On	sv	C
Determines if order of Protocols determines precedence during negotiation
<Proxy wildcard-url> ...</Proxy>		sv	E
Container for directives applied to proxied resources
ProxyAddHeaders Off|On	On	svd	E
Add proxy information in X-Forwarded-* headers
ProxyBadHeader IsError|Ignore|StartBody	IsError	sv	E
Determines how to handle bad header lines in a response
ProxyBlock *|word|host|domain [word|host|domain] ...		sv	E
Words, hosts, or domains that are banned from being proxied
ProxyDomain Domain		sv	E
Default domain name for proxied requests
ProxyErrorOverride On|Off	Off	svd	E
Override error pages for proxied content
ProxyFtpDirCharset character set	ISO-8859-1	svd	E
Define the character set for proxied FTP listings
ProxyFtpEscapeWildcards [on|off]		svd	E
Whether wildcards in requested filenames are escaped when sent to the FTP server
ProxyFtpListOnWildcard [on|off]		svd	E
Whether wildcards in requested filenames trigger a file listing
ProxyIOBufferSize bytes	8192	sv	E
Determine size of internal data throughput buffer
<ProxyMatch regex> ...</ProxyMatch>		sv	E
Container for directives applied to regular-expression-matched proxied resources
ProxyMaxForwards number	-1	sv	E
Maximium number of proxies that a request can be forwarded through
ProxyPass [path] !|url [key=value [key=value ...]] [nocanon] [interpolate] [noquery]		svd	E
Maps remote servers into the local server URL-space
ProxyPassInherit On|Off	On	sv	E
Inherit ProxyPass directives defined from the main server
ProxyPassInterpolateEnv On|Off	Off	svd	E
Enable Environment Variable interpolation in Reverse Proxy configurations
ProxyPassMatch [regex] !|url [key=value [key=value ...]]		svd	E
Maps remote servers into the local server URL-space using regular expressions
ProxyPassReverse [path] url [interpolate]		svd	E
Adjusts the URL in HTTP response headers sent from a reverse proxied server
ProxyPassReverseCookieDomain internal-domain public-domain [interpolate]		svd	E
Adjusts the Domain string in Set-Cookie headers from a reverse- proxied server
ProxyPassReverseCookiePath internal-path public-path [interpolate]		svd	E
Adjusts the Path string in Set-Cookie headers from a reverse- proxied server
ProxyPreserveHost On|Off	Off	svd	E
Use incoming Host HTTP request header for proxy request
ProxyReceiveBufferSize bytes	0	sv	E
Network buffer size for proxied HTTP and FTP connections
ProxyRemote match remote-server		sv	E
Remote proxy used to handle certain requests
ProxyRemoteMatch regex remote-server		sv	E
Remote proxy used to handle requests matched by regular expressions
ProxyRequests On|Off	Off	sv	E
Enables forward (standard) proxy requests
ProxySet url key=value [key=value ...]		d	E
Set various Proxy balancer or member parameters
ProxySourceAddress address		sv	E
Set local IP address for outgoing proxy connections
ProxyStatus Off|On|Full	Off	sv	E
Show Proxy LoadBalancer status in mod_status
ProxyTimeout seconds		sv	E
Network timeout for proxied requests
ProxyVia On|Off|Full|Block	Off	sv	E
Information provided in the Via HTTP response header for proxied requests
QualifyRedirectURL ON|OFF	OFF	svd	C
Controls whether the REDIRECT_URL environment variable is fully qualified
ReadmeName filename		svdh	B
Name of the file that will be inserted at the end of the index listing
ReceiveBufferSize bytes	0	s	M
TCP receive buffer size
Redirect [status] [URL-path] URL		svdh	B
Sends an external redirect asking the client to fetch a different URL
RedirectMatch [status] regex URL		svdh	B
Sends an external redirect based on a regular expression match of the current URL
RedirectPermanent URL-path URL		svdh	B
Sends an external permanent redirect asking the client to fetch a different URL
RedirectRelative OFF|ON	OFF	svd	B
Allows relative redirect targets.
RedirectTemp URL-path URL		svdh	B
Sends an external temporary redirect asking the client to fetch a different URL
RegisterHttpMethod method [method [...]]		s	C
Register non-standard HTTP methods
RemoteIPHeader header-field		sv	B
Declare the header field which should be parsed for useragent IP addresses
RemoteIPInternalProxy proxy-ip|proxy-ip/subnet|hostname ...		sv	B
Declare client intranet IP addresses trusted to present the RemoteIPHeader value
RemoteIPInternalProxyList filename		sv	B
Declare client intranet IP addresses trusted to present the RemoteIPHeader value
RemoteIPProxiesHeader HeaderFieldName		sv	B
Declare the header field which will record all intermediate IP addresses
RemoteIPTrustedProxy proxy-ip|proxy-ip/subnet|hostname ...		sv	B
Declare client intranet IP addresses trusted to present the RemoteIPHeader value
RemoteIPTrustedProxyList filename		sv	B
Declare client intranet IP addresses trusted to present the RemoteIPHeader value
RemoveCharset extension [extension] ...		vdh	B
Removes any character set associations for a set of file extensions
RemoveEncoding extension [extension] ...		vdh	B
Removes any content encoding associations for a set of file extensions
RemoveHandler extension [extension] ...		vdh	B
Removes any handler associations for a set of file extensions
RemoveInputFilter extension [extension] ...		vdh	B
Removes any input filter associations for a set of file extensions
RemoveLanguage extension [extension] ...		vdh	B
Removes any language associations for a set of file extensions
RemoveOutputFilter extension [extension] ...		vdh	B
Removes any output filter associations for a set of file extensions
RemoveType extension [extension] ...		vdh	B
Removes any content type associations for a set of file extensions
ReportInterval #-of-seconds	300	s	E
Configures the interval for writing thread statistics
RequestHeader add|append|edit|edit*|merge|set|setifempty|unset header [[expr=]value [replacement] [early|env=[!]varname|expr=expression]]		svdh	E
Configure HTTP request headers
RequestReadTimeout [header=timeout[-maxtimeout][,MinRate=rate] [body=timeout[-maxtimeout][,MinRate=rate]		sv	E
Set timeout values for receiving request headers and body from client.
Require [not] entity-name [entity-name] ...		dh	B
Tests whether an authenticated user is authorized by an authorization provider.
<RequireAll> ... </RequireAll>		dh	B
Enclose a group of authorization directives of which none must fail and at least one must succeed for the enclosing directive to succeed.
<RequireAny> ... </RequireAny>		dh	B
Enclose a group of authorization directives of which one must succeed for the enclosing directive to succeed.
<RequireNone> ... </RequireNone>		dh	B
Enclose a group of authorization directives of which none must succeed for the enclosing directive to not fail.
RewriteBase URL-path		dh	E
Sets the base URL for per-directory rewrites
RewriteCond TestString CondPattern [flags]		svdh	E
Defines a condition under which rewriting will take place
RewriteEngine on|off	off	svdh	E
Enables or disables runtime rewriting engine
RewriteMap MapName MapType:MapSource		sv	E
Defines a mapping function for key-lookup
RewriteOptions Options		svdh	E
Sets some special options for the rewrite engine
RewriteRule Pattern Substitution [flags]		svdh	E
Defines rules for the rewriting engine
RLimitCPU seconds|max [seconds|max]		svdh	C
Limits the CPU consumption of processes launched by Apache httpd children
RLimitMEM bytes|max [bytes|max]		svdh	C
Limits the memory consumption of processes launched by Apache httpd children
RLimitNPROC number|max [number|max]		svdh	C
Limits the number of processes that can be launched by processes launched by Apache httpd children
SAFAPPLID APPLID-name	OMVSAPPL	d	E
Specifies an alterate SAF/RACF "APPLID" for authentication purposes.
SAFRunAs %%CLIENT%%|%%CERTIF_REQ%%|%%CERTIF%%|surrogate-username [/URL-path-prefix]		svd	E
Change webserver thread identity to authenticated web user
SAFRunAsEarly ON|OFF	OFF	d	E
Specifies that %%CLIENT%% userid change should run early
Satisfy Any|All	All	dh	E
Interaction between host-level access control and user authentication
ScoreBoardFile file-path	logs/apache_runtime +	s	M
Location of the file used to store coordination data for the child processes
Script method cgi-script		svd	B
Activates a CGI script for a particular request method.
ScriptAlias [URL-path] file-path|directory-path		svd	B
Maps a URL to a filesystem location and designates the target as a CGI script
ScriptAliasMatch regex file-path|directory-path		sv	B
Maps a URL to a filesystem location using a regular expression and designates the target as a CGI script
ScriptInterpreterSource Registry|Registry-Strict|Script	Script	svdh	C
Technique for locating the interpreter for CGI scripts
ScriptLog file-path		sv	B
Location of the CGI script error logfile
ScriptLogBuffer bytes	1024	sv	B
Maximum amount of PUT or POST requests that will be recorded in the scriptlog
ScriptLogLength bytes	10385760	sv	B
Size limit of the CGI script logfile
ScriptSock file-path	cgisock	s	B
The filename prefix of the socket to use for communication with the cgi daemon
SeeRequestTail On|Off	Off	s	C
Determine if mod_status displays the first 63 characters of a request or the last 63, assuming the request itself is greater than 63 chars.
SendBufferSize bytes	0	s	M
TCP buffer size
ServerAdmin email-address|URL		sv	C
Email address that the server includes in error messages sent to the client
ServerAlias hostname [hostname] ...		v	C
Alternate names for a host used when matching requests to name-virtual hosts
ServerLimit number		s	M
Upper limit on configurable number of processes
ServerName [scheme://]domain-name|ip-address[:port]		sv	C
Hostname and port that the server uses to identify itself
ServerPath URL-path		v	C
Legacy URL pathname for a name-based virtual host that is accessed by an incompatible browser
ServerRoot directory-path	/usr/local/apache	s	C
Base directory for the server installation
ServerSignature On|Off|EMail	Off	svdh	C
Configures the footer on server-generated documents
ServerTokens Major|Minor|Min[imal]|Prod[uctOnly]|OS|Full	Full	s	C
Configures the Server HTTP response header
ServiceDescription desc		s	M
Appends to the description of the Windows service.
SetEnv env-variable [value]		svdh	B
Sets environment variables
SetEnvIf attribute regex [!]env-variable[=value] [[!]env-variable[=value]] ...		svdh	B
Sets environment variables based on attributes of the request
SetEnvIfExpr expr [!]env-variable[=value] [[!]env-variable[=value]] ...		svdh	B
Sets environment variables based on an ap_expr expression
SetEnvIfNoCase attribute regex [!]env-variable[=value] [[!]env-variable[=value]] ...		svdh	B
Sets environment variables based on attributes of the request without respect to case
SetHandler handler-name|none|expression		svdh	C
Forces all matching files to be processed by a handler
SetInputFilter filter[;filter...]		svdh	C
Sets the filters that will process client requests and POST input
SetOutputFilter filter[;filter...]		svdh	C
Sets the filters that will process responses from the server
SlowThreshold seconds | millisecondsms		s	E
Sets a trigger for modules exceeding a specific timeout
SMFLogDebug ON|OFF		d	E
Enables debugging
SMFRecord ON|OFF		d	E
Enables SMF recording of per-request details
SMFReportInterval seconds		s	E
Enables SMF reporting of mpmstats data
SSIEndTag tag	"-->"	sv	B
String that ends an include element
SSIErrorMsg message	"[an error occurred +	svdh	B
Error message displayed when there is an SSI error
SSIETag on|off	off	dh	B
Controls whether ETags are generated by the server.
SSILastModified on|off	off	dh	B
Controls whether Last-Modified headers are generated by the server.
SSILegacyExprParser on|off	off	dh	B
Enable compatibility mode for conditional expressions.
SSIOptions option ...	DefaultSetDecoding= +	d	B
Configure SSI options.
SSIStartTag tag	"<!--#"	sv	B
String that starts an include element
SSITimeFormat formatstring	"%A, %d-%b-%Y %H:%M +	svdh	B
Configures the format in which date strings are displayed
SSIUndefinedEcho string	"(none)"	svdh	B
String displayed when an unset variable is echoed
SSLAllowLegacyCerts ON|OFF		sv	E
Allows use of non-standard certificate policy.
SSLAllowNonCriticalInhibitAnyPolicy ON|OFF		v	E
Enables toleration of non-crticial InhibitAnyPolicy extension
SSLAttributeSet [proxy:]gskit-id val [ENUM|NUMERIC|BUFF|BUFFNULL]		v	E
Directly configures underlying GSKit security library settings.
SSLCheckCertificateExpiration days|-1 ["no_expired"]		sv	E
Checks for expired or expiring certificates at startup.
SSLCipherSpec [ALL|SSLv2|SSLv3|TLSv10|TLSv11|TLSv12|TLSv13] [+|-]cipher-shortname|[+|-]cipher-longname ...		sv	E
Determines which SSL ciphers should be permitted.
SSLClientAuth none|optional|required|required_reset	none	sv	E
Configures IBM HTTP Server to request a client certificate from the browser
SSLCompression ON|OFF	OFF	v	E
Controls server-side support for TLS Compression
SSLDisable		sv	E
DisablesSSL for the enclosing virtual host
SSLEnable [SNI]		sv	E
Enables SSL for the enclosing virtual host
SSLFatalErrorLimit failures	0	v	E
Gracefully terminates a process reporting too many fatal handshake errors
SSLFIPSDisable		sv	E
Configures an SSL enabled virtual host to NOT use FIPS 140-2 certified ciphers
SSLFIPSEnable [SP800131A|uncertified|uncertified_only]...		sv	E
Configures an SSL enabled virtual host to use FIPS 140-2 certified ciphers
SSLGSKitTraceEnable c:/trace.log[ size-in-MB [num-files [options ]]]		s	E
Enables GSKit trace.
SSLHandshakeTimeout IO-timeout [end-to-end timeout[ms]]	5 10	v	E
Configures timeout on handshake operations
SSLMinimumRSAKeySize bits		sv	E
Enforces a minimum RSA key size for certificates. See usage for platform differences.
SSLOCSPCacheSize elements		v	E
Enables OCSP caching and specifies the maximum number of elements in the cache.
SSLOCSPConnectionTimeout seconds	10	v	E
Enables connect() timeout on outobuund OCSP connections
SSLOCSPEnable		v	E
The SSLOCSPEnable directive enables checking of client certificates through OCSP responders defined in the Authority Information Access (AIA) extension of their certificate.
SSLOCSPResponderURL fully-qualified-url		v	E
The SSLOCSPResponderURL directive enables checking of client certificates through a statically configured online certificate status protocol (OCSP) responder.
SSLProtocolDisable [PROXY|SERVER] SSLv2|SSLv3|TLSv10|TLSv11|TLSv12|TLSv13 ...		v	E
The SSLProtocolDisable directive allows you to disable individual SSL protocols.
SSLProtocolEnable [PROXY|SERVER] SSLv2|SSLv3|TLSv10|TLSv11|TLSv12|TLSv13 ...		v	E
The SSLProtocolEnable directive allows you to enable individual SSL protocols.
SSLProxyEngine on|off	offnone	sv	E
Adds SSL support to outgoing reverse proxy connections
SSLRenegotiation on|off|LEGACY_AND_RFC5746	off	v	E
Controls IBM HTTP Server support of TLS renegotiation
SSLReverseCipherOrder		sv	E
Reverses the order of preferred ciphers.
SSLServerCert [cryptograhic token name:]label-name [[cryptograhic token name:]label-name]		sv	E
Identifies the certificate label of a personal certificate that the server should use to authenticate to clients.
SSLSkipCloseNotif ON|OFF		sv	E
Flag to disable sending a TLS close_notify during Apache socket shutdown
SSLSNIMap hostname cert-label		sv	E
Establishes servername to certificate label pairs
SSLSuiteBMode 128|192		sv	E
Enables the "Suite B" profile for the enclosing virtual host
SSLSupportedCurves TLSv12|TLSv13 curve-list		sv	E
Selects the set of Elliptic Curves used during the handshake. See usage for platform differences.
SSLTrace		sv	E
Enables extended tracing for SSL communication
SSLUnknownRevocationStatus ignore|log|log_always|deny	ignore	v	E
Specifies how IBM HTTP Server reacts when IBM HTTP Server cannot readily determine the revocation status, which is coming through CRL or OCSP.
SSLVersion SSLv2|SSLv3|TLSv1|TLSv1.1|TLSv1.2		d	E
Performs access control based on negotiated TLS version
StartServers number		s	M
Number of child server processes created at startup
StartThreads number		s	M
Number of threads created on startup
StrictHostCheck ON|OFF	OFF	sv	C
Controls whether the server requires the requested hostname be listed enumerated in the virtual host handling the request
Substitute s/pattern/substitution/[infq]		dh	E
Pattern to filter the response content
SubstituteInheritBefore on|off	off	dh	E
Change the merge order of inherited patterns
SubstituteMaxLineLength bytes(b|B|k|K|m|M|g|G)	1m	dh	E
Set the maximum line size
Suexec On|Off		s	B
Enable or disable the suEXEC feature
SuexecUserGroup User Group		sv	E
User and group for CGI programs to run as
ThreadLimit number		s	M
Sets the upper limit on the configurable number of threads per child process
ThreadsPerChild number		s	M
Number of threads created by each child process
ThreadStackSize size		s	M
The size in bytes of the stack used by threads handling client connections
TimeOut seconds	60	sv	C
Amount of time the server will wait for certain events before failing a request
TLS13Options option[=value] [option[=value] ...]		sv	E
General purpose directive to configure options for the TLSv1.3 protocol.
TraceEnable [on|off|extended]	off	sv	C
Determines the behavior on TRACE requests
TrackHooks allhooks | post_read_request | check_userid | check_user_access | auth_checker | handler		s	E
Enables reporting of time spent in individual Apache phases
TrackHooksOptions millis|permodule|logslow|notice|allopts		s	E
Enables more detailed tracking of hooks
TrackModules ON|OFF		s	E
Enables reporting of individual modules busy on a thread
TransferLog file|pipe		sv	B
Specify location of a log file
TypesConfig file-path	conf/mime.types	s	B
The location of the mime.types file
UNCList hostname [hostname...]		s	C
Controls what UNC host names can be accessed by the server
UnDefine parameter-name		s	C
Undefine the existence of a variable
UndefMacro name		svd	B
Undefine a macro
UnsetEnv env-variable [env-variable] ...		svdh	B
Removes variables from the environment
Use name [value1 ... valueN]		svd	B
Use a macro
UseCanonicalName On|Off|DNS	Off	svd	C
Configures how the server determines its own name and port
UseCanonicalPhysicalPort On|Off	Off	svd	C
Configures how the server determines its own port
User unix-userid	#-1	s	B
The userid under which the server will answer requests
UserDir directory-filename [directory-filename] ...		sv	B
Location of the user-specific directories
VirtualDocumentRoot interpolated-directory|none	none	sv	E
Dynamically configure the location of the document root for a given virtual host
VirtualDocumentRootIP interpolated-directory|none	none	sv	E
Dynamically configure the location of the document root for a given virtual host
<VirtualHost addr[:port] [addr[:port]] ...> ... </VirtualHost>		s	C
Contains directives that apply only to a specific hostname or IP address
VirtualScriptAlias interpolated-directory|none	none	sv	E
Dynamically configure the location of the CGI directory for a given virtual host
VirtualScriptAliasIP interpolated-directory|none	none	sv	E
Dynamically configure the location of the CGI directory for a given virtual host
wlmCollectionName coll-name	CNNONE	svd	E
Specifies the WLM collection name for matching requests
wlmSubSysType subsystem-name	SSNONE	s	E
Specifies the WLM subsystem type
wlmTranClass class-name		svd	E
Specifies the WLM transaction class for matching requests
XBitHack on|off|full	off	svdh	B
Parse SSI directives in files with the execute bit set
ZosConsoleOptions Options		svdh	E
Sets some special options for the zos_cmds module.

Copyright 2014 The Apache Software Foundation.
Licensed under the Apache License, Version 2.0.

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