Una directiva de configuración de Apache es un parámetro de configuración del Servidor Web.
Las directivas las podemos escribir de tres formas:
Directamente en el fichero de configuración para que tengan efecto en todo el servidor.
[list]En un módulo o sección de configuración, afectando también a todo el servidor.[/list]
En un fichero .htaccess, afectando solo a ese directorio y a los subdirectorios dependientes de él.
Un ejemplo de directiva es la siguiente:
ExpiresActive On
Este parámetro "ExpiresActive" lo que dice es que activa el modulo de Expires, que afecta a las funciones de cabeceras de expiración de os ficheros enviados desde el servidor web hacia los usuarios (headers) y el comportamiento de las caches que estan ecibiendo esos ficheros.
Indice de directivas de Apache
V virtual host
D directory
H .htaccess
C Core
M MPM
B Base
E Extensión
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=env-variable [host|env=env-variable] ... Dh B Controls which hosts can access an area of the server AllowCONNECT port [port] ... 443 563 sv E Ports that are allowed to CONNECT through the proxy AllowEncodedSlashes On|Off Off sv C Determines whether encoded path separators in URLs are allowed to be passed through AllowOverride All|None|directive-type [directive-type] ... All d C Types of directives that are allowed in .htaccess files 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 AuthBasicAuthoritative On|Off On dh B Sets whether authorization and authentication are passed to lower level modules AuthBasicProvider provider-name [provider-name] ... File dh B Sets the authentication provider(s) for this location AuthDBDUserPWQuery query d E SQL query to look up a password for a user AuthDBDUserRealmQuery query d E SQL query to look up a password hash for a user and realm. 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 AuthDefaultAuthoritative On|Off On dh B Sets whether authentication is passed to lower level modules AuthDigestAlgorithm MD5|MD5-sess MD5 dh X Selects the algorithm used to calculate the challenge and response hashes in digest authentication AuthDigestDomain URI [URI] ... Dh X URIs that are in the same protection space for digest authentication AuthDigestNcCheck On|Off Off s X Enables or disables checking of the nonce-count sent by the server AuthDigestNonceFormat format dh X Determines how the nonce is generated AuthDigestNonceLifetime seconds 300 dh X How long the server nonce is valid AuthDigestProvider provider-name [provider-name] ... File dh X Sets the authentication provider(s) for this location AuthDigestQop none|auth|auth-int [auth|auth-int] auth dh X Determines the quality-of-protection to use in digest authentication AuthDigestShmemSize size 1000 s X The amount of shared memory to allocate for keeping track of clients AuthGroupFile file-path dh B Sets the name of a text file containing the list of user groups for authorization 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 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 AuthLDAPGroupAttribute attribute dh E LDAP attributes used to check for group membership AuthLDAPGroupAttributeIsDN on|off on dh E Use the DN of the client username when checking for group membership 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 AuthLDAPUrl url [NONE|SSL|TLS|STARTTLS] dh E URL specifying the LDAP search parameters AuthName auth-domain dh C Authorization realm for use in HTTP authentication <AuthnProviderAliasbaseProvider Alias> ... </AuthnProviderAlias> s EEnclose a group of directives that represent an extension of a base authentication provider and referenced by the specified alias AuthType Basic|Digest dh C 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 AuthzDBMAuthoritative On|Off On dh E Sets whether authorization will be passed on to lower level modules AuthzDBMType default|SDBM|GDBM|NDBM|DB default dh E Sets the type of database file that is used to store list of user groups AuthzDefaultAuthoritative On|Off On dh B Sets whether authorization is passed to lower level modules AuthzGroupFileAuthoritative On|Off On dh B Sets whether authorization will be passed on to lower level modules AuthzLDAPAuthoritative on|off on dh E Prevent other authentication modules from authenticating the user if this one fails AuthzOwnerAuthoritative On|Off On dh E Sets whether authorization will be passed on to lower level modules AuthzUserAuthoritative On|Off On dh B Sets whether authorization will be passed on to lower level modules 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) sv E The default duration to cache a document when no expiry date is specified. CacheDirLength length 2 sv E The number of characters in subdirectory names CacheDirLevels levels 3 sv E The number of levels of subdirectories in the cache. CacheDisable url-string sv E Disable caching of specified URLs CacheEnable cache_type url-string sv 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 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 sv E Ignore the fact that a response has no Last Modified header. CacheLastModifiedFactor float 0.1 sv E The factor used to compute an expiry date based on the LastModified date. CacheMaxExpire seconds 86400 (one day) sv E The maximum time in seconds to cache a document CacheMaxFileSize bytes 1000000 sv E The maximum size (in bytes) of a document to be placed in the cache CacheMinFileSize bytes 1 sv 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 CacheRoot directory sv E The directory root under which cache files are stored CacheStoreNoStore On|Off Off sv E Attempt to cache requests or responses that have been marked as no-store. CacheStorePrivate On|Off Off sv E Attempt to cache responses that the server has marked as private CGIMapExtension cgi-path .extension dh C Technique for locating the interpreter for CGI scripts CharsetDefault charset svdh X Charset to translate into CharsetOptions option [option] ... DebugLevel=0 NoImpl + 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 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 CookieLog filename sv B Sets filename for the logging of cookies 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 attempts to switch before dumping core CustomLog file|pipe format|nickname [env=[!]environment-variable] 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 DavGenericLockDB file-path svd E Location of the DAV lock database 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 DBDExptime time-in-seconds sv E Keepalive time for idle connections DBDKeep number sv E Maximum sustained number of connections DBDMax number sv E Maximum number of connections DBDMin number sv E Minimum number of connections DBDParams param1=value1[,param2=value2] sv E Parameters for database connection DBDPersist 0|1 sv E Whether to use persistent connections DBDPrepareSQL "SQL statement" label sv E Define an SQL prepared statement DBDriver name sv E Specify an SQL driver DefaultIcon url-path svdh B Icon to display for files when no specific icon is configured DefaultLanguage MIME-lang svdh B Sets all files in the given scope to the specified language DefaultType MIME-type text/plain svdh C MIME content-type that will be sent if the server cannot determine a type in any other way 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 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 B Controls which hosts are denied access to the server <Directorydirectory-path> ... </Directory> sv CEnclose a group of directives that apply only to the named file-system directory and sub-directories DirectoryIndex local-url [local-url] ... Index.html svdh B List of resources to look for when the client requests a directory <DirectoryMatchregex> ... </DirectoryMatch> sv CEnclose directives that apply to file-system directories matching a regular expression and their subdirectories DirectorySlash On|Off On svdh B Toggle trailing slash redirects on or off DocumentRoot directory-path /usr/local/apache/h + 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 DumpIOLogLevel level debug s E Controls the logging level of the DumpIO output DumpIOOutput On|Off Off s E Dump all output data to the error log 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 On svdh C Use the kernel sendfile support to deliver files to the client 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 Example svdh X Demonstration directive to illustrate the Apache module API ExpiresActive On|Off svdh E Enables generation of Expires headers ExpiresByTypeMIME-type <code>seconds svdh EValue of the Expires header configured by MIME type ExpiresDefault<code>seconds svdh EDefault algorithm for calculating expiration time ExtendedStatus On|Off Off s B Keep track of extended status information for each request ExtFilterDefine filtername parameters s E Define an external filter ExtFilterOptions option [option] ... DebugLevel=0 NoLogS + d E Configure mod_ext_filter options FileETag component ... INode MTime Size svdh C File attributes used to create the ETag HTTP response header <Filesfilename> ... </Files> svdh CContains directives that apply to matched filenames <FilesMatchregex> ... </FilesMatch> svdh CContains 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 [req|resp|env]=dispatch match svdh B Register a content filter FilterTrace filter-name level svd B Get debug/diagnostic information from mod_filter ForceLanguagePriority None|Prefer|Fallback [Prefer|Fallback] Prefer svdh B Action to take if a single acceptable document is not found ForceType MIME-type|None dh C Forces all matching files to be served with the specified MIME content-type ForensicLog filename|pipe sv E Sets filename of the forensic log GracefulShutDownTimeout seconds s M Specify a timeout after which a gracefully shutdown server will exit. Group unix-group #-1 s M Group under which the server will answer requests Header [condition] set|append|add|unset|echo|edit header [value] [early|env=[!]variable] 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 HostnameLookups On|Off|Double Off svd C Enables DNS lookups on client IP addresses IdentityCheck On|Off Off svd E Enables logging of the RFC 1413 identity of the remote user IdentityCheckTimeout seconds 30 svd E Determines the timeout duration for ident requests <IfDefine[!]parameter-name> ... </IfDefine> svdh CEncloses directives that will be processed only if a test is true at startup <IfModule[!]module-file|module-identifier> ... </IfModule> svdh CEncloses directives that are processed conditional on the presence or absence of a specific module <IfVersion[[!]operator] version> ... </IfVersion> svdh Econtains version dependent configuration 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 svdh B Action if no coordinates are given when calling an imagemap Include file-path|directory-path svd C Includes other configuration files from within the server configuration files IndexIgnore file [file] ... Svdh B Adds to 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 orderig of the directory index IndexStyleSheet url-path svdh B Adds a CSS stylesheet to the directory index ISAPIAppendLogToErrors on|off off svdh B Record HSE_APPEND_LOG_PARAMETER requests from ISAPI extensions to the error log ISAPIAppendLogToQuery on|off on svdh B Record HSE_APPEND_LOG_PARAMETER requests from ISAPI extensions to the query field ISAPICacheFile file-path [file-path] ... Sv B ISAPI .dll files to be loaded at startup ISAPIFakeAsync on|off off svdh B Fake asynchronous support for ISAPI callbacks ISAPILogNotSupported on|off off svdh B Log unsupported feature requests from ISAPI extensions ISAPIReadAheadBuffer size 49152 svdh B Size of the Read Ahead Buffer sent to ISAPI extensions KeepAlive On|Off On sv C Enables HTTP persistent connections KeepAliveTimeout seconds 5 sv C Amount of time the server will wait for subsequent requests on a persistent connection LanguagePriority MIME-lang [MIME-lang] ... Svdh B The precendence 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 LDAPConnectionTimeout seconds s E Specifies the socket connection timeout in seconds 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 LDAPSharedCacheFile directory-path/filename s E Sets the shared memory cache file LDAPSharedCacheSize bytes 102400 s E Size in bytes of the shared-memory cache LDAPTrustedClientCert type directory-path/filename/nickname [password] svdh E Sets the file containing or nickname referring to a per connection client certificate. Not all LDAP toolkits support per connection client certificates. LDAPTrustedGlobalCert type directory-path/filename [password] s E Sets the file or database containing global trusted Certificate Authority 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 <Limitmethod [method] ... > ... </Limit> svdh CRestrict enclosed access controls to only certain HTTP methods <LimitExceptmethod [method] ... > ... </LimitExcept> svdh CRestrict 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 0 svdh C Restricts the total size of the HTTP request body sent from the client LimitRequestFields number 100 s C Limits the number of HTTP request header fields that will be accepted from the client LimitRequestFieldsize bytes s C Limits the size of the HTTP request header allowed from the client LimitRequestLine bytes 8190 s 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 LoadFile filename [filename] ... S E Link in the named object file or library LoadModule module filename s E Links in the object file or library, and adds to the list of active modules <LocationURL-path|URL> ... </Location> sv CApplies the enclosed directives only to matching URLs <LocationMatchregex> ... </LocationMatch> sv CApplies the enclosed directives only to regular-expression matching URLs LockFile filename logs/accept.lock s M Location of the accept serialization lock file LogFormat format|nickname [nickname] "%h %l %u %t "%r" + sv B Describes a format for use in a log file LogLevel level warn sv C Controls the verbosity of the ErrorLog MaxClients number s M Maximum number of child processes that will be created to serve requests MaxKeepAliveRequests number 100 sv C Number of requests allowed on a persistent connection MaxMemFree KBytes 0 s M Maximum amount of memory that the main allocator is allowed to hold without calling free() MaxRequestsPerChild number 10000 s M Limit on the number of requests that an individual child server will handle during its life MaxRequestsPerThread number 0 s M Limita el número de peticiones que una hebra (thread) puede atender durante su vida MaxSpareServers number 10 s M Maximum number of idle child server processes MaxSpareThreads number s M Maximum number of idle threads MaxThreads number 2048 s M Set the maximum number of worker 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 0 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 MetaDir directory .web svdh E Name of the directory to find CERN-style meta information files MetaFiles on|off off svdh E Activates CERN meta-file processing MetaSuffix suffix .meta svdh E File name suffix for the file containg CERN-style meta information MimeMagicFile file-path sv E Enable MIME-type determination based on file contents using the specified magic file MinSpareServers number 5 s M Minimum number of idle child server processes 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 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 NameVirtualHost addr[:port] s C Designates an IP address for name-virtual host NoProxy host [host] ... Sv E Hosts, domains, or networks that will be connected to directly NWSSLTrustedCerts filename [filename] ... S B List of additional client certificates NWSSLUpgradeable [IP-address:]portnumber s B Allows a connection to be upgraded to an SSL connection upon request Options [+|-]option [[+|-]option] ... All svdh C Configures what features are available in a particular directory Order orders Deny,Allow dh B 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 ProtocolEcho On|Off sv X Turn the echo server on or off <Proxywildcard-url> ...</Proxy> sv EContainer for directives applied to proxied resources 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 sv E Override error pages for proxied content ProxyIOBufferSize bytes 8192 sv E Determine size of internal data throughput buffer <ProxyMatchregex> ...</ProxyMatch> sv EContainer for directives applied to regular-expression-matched proxied resources ProxyMaxForwards number 10 sv E Maximium number of proxies that a request can be forwarded through ProxyPass [path] !|url [key=value key=value ...]] svd E Maps remote servers into the local server URL-space ProxyPassReverse [path] url svd E Adjusts the URL in HTTP response headers sent from a reverse proxied server ProxyPassReverseCookieDomain internal-domain public-domain svd E Adjusts the Domain string in Set-Cookie headers from a reverse- proxied server ProxyPassReverseCookiePath internal-path public-path svd E Adjusts the Path string in Set-Cookie headers from a reverse- proxied server ProxyPreserveHost On|Off Off sv 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 ProxyTimeout seconds 300 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 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 RedirectTemp URL-path URL svdh B Sends an external temporary redirect asking the client to fetch a different URL 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 RequestHeader set|append|add|unset|edit header [value] [replacement] [early|env=[!]variable] svdh E Configure HTTP request headers Require entity-name [entity-name] ... Dh C Selects which authenticated users can access a resource RewriteBase URL-path dh E Sets the base URL for per-directory rewrites RewriteCond TestString CondPattern svdh E Defines a condition under which rewriting will take place RewriteEngine on|off off svdh E Enables or disables runtime rewriting engine RewriteLock file-path s E Sets the name of the lock file used for RewriteMap synchronization RewriteLog file-path sv E Sets the name of the file used for logging rewrite engine processing RewriteLogLevel Level 0 sv E Sets the verbosity of the log file used by the rewrite 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 svdh E Defines rules for the rewriting engine RLimitCPU seconds|max [seconds|max] svdh C Limits the CPU consumption of processes launched by Apache children RLimitMEM bytes|max [bytes|max] svdh C Limits the memory consumption of processes launched by Apache children RLimitNPROC number|max [number|max] svdh C Limits the number of processes that can be launched by processes launched by Apache children Satisfy Any|All All dh C Interaction between host-level access control and user authentication ScoreBoardFile file-path logs/apache_status 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 sv 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 logs/cgisock s B The filename prefix of the socket to use for communication with the cgi daemon SecureListen [IP-address:]portnumber Certificate-Name [MUTUAL] s B Enables SSL encryption for the specified port 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://]fully-qualified-domain-name[: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 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 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 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 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 SSIStartTagtag "<!--#" sv BString 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 SSLCACertificateFile file-path sv E File of concatenated PEM-encoded CA Certificates for Client Auth SSLCACertificatePath directory-path sv E Directory of PEM-encoded CA Certificates for Client Auth SSLCADNRequestFile file-path sv E File of concatenated PEM-encoded CA Certificates for defining acceptable CA names SSLCADNRequestPath directory-path sv E Directory of PEM-encoded CA Certificates for defining acceptable CA names SSLCARevocationFile file-path sv E File of concatenated PEM-encoded CA CRLs for Client Auth SSLCARevocationPath directory-path sv E Directory of PEM-encoded CA CRLs for Client Auth SSLCertificateChainFile file-path sv E File of PEM-encoded Server CA Certificates SSLCertificateFile file-path sv E Server PEM-encoded X.509 Certificate file SSLCertificateKeyFile file-path sv E Server PEM-encoded Private Key file SSLCipherSuite cipher-spec ALL:!ADH:RC4+RSA:+H + svdh E Cipher Suite available for negotiation in SSL handshake SSLCryptoDevice engine builtin s E Enable use of a cryptographic hardware accelerator SSLEngine on|off|optional off sv E SSL Engine Operation Switch SSLHonorCiperOrder flag sv E Option to prefer the server's cipher preference order SSLMutex type none s E Semaphore for internal mutual exclusion of operations SSLOptions [+|-]option ... Svdh E Configure various SSL engine run-time options SSLPassPhraseDialog type builtin s E Type of pass phrase dialog for encrypted private keys SSLProtocol [+|-]protocol ... All sv E Configure usable SSL protocol flavors SSLProxyCACertificateFile file-path sv E File of concatenated PEM-encoded CA Certificates for Remote Server Auth SSLProxyCACertificatePath directory-path sv E Directory of PEM-encoded CA Certificates for Remote Server Auth SSLProxyCARevocationFile file-path sv E File of concatenated PEM-encoded CA CRLs for Remote Server Auth SSLProxyCARevocationPath directory-path sv E Directory of PEM-encoded CA CRLs for Remote Server Auth SSLProxyCipherSuite cipher-spec ALL:!ADH:RC4+RSA:+H + svdh E Cipher Suite available for negotiation in SSL proxy handshake SSLProxyEngine on|off off sv E SSL Proxy Engine Operation Switch SSLProxyMachineCertificateFile filename s E File of concatenated PEM-encoded client certificates and keys to be used by the proxy SSLProxyMachineCertificatePath directory s E Directory of PEM-encoded client certificates and keys to be used by the proxy SSLProxyProtocol [+|-]protocol ... All sv E Configure usable SSL protocol flavors for proxy usage SSLProxyVerify level none svdh E Type of remote server Certificate verification SSLProxyVerifyDepth number 1 svdh E Maximum depth of CA Certificates in Remote Server Certificate verification SSLRandomSeed context source [bytes] s E Pseudo Random Number Generator (PRNG) seeding source SSLRequire expression dh E Allow access only when an arbitrarily complex boolean expression is true SSLRequireSSL dh E Deny access when SSL is not used for the HTTP request SSLSessionCache type none s E Type of the global/inter-process SSL Session Cache SSLSessionCacheTimeout seconds 300 sv E Number of seconds before an SSL session expires in the Session Cache SSLUserName varname sdh E Variable name to determine user name SSLVerifyClient level none svdh E Type of Client Certificate verification SSLVerifyDepth number 1 svdh E Maximum depth of CA Certificates in Client Certificate verification StartServers number s M Number of child server processes created at startup StartThreads number s M Number of threads created on startup SuexecUserGroup User Group sv E User and group permissions for CGI programs 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 300 sv C Amount of time the server will wait for certain events before failing a request TraceEnable [on|off|extended] on s C Determines the behaviour on TRACE requests 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 UnsetEnv env-variable [env-variable] ... Svdh B Removes variables from the environment 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 name and port User unix-userid #-1 s M The userid under which the server will answer requests UserDir 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 <VirtualHostaddr[:port] [addr[:port]] ...> ... </VirtualHost> s CContains 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 Win32DisableAcceptEx s M Use accept() rather than AcceptEx() to accept network connections XBitHack on|off|full off svdh B Parse SSI directives in files with the execute bit set
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