1

To control a BSD specific filter optimization

Default AcceptFilter on

Version 1.3

AcceptFilter on|off

1

To control whether requests that contain trailing pathname information that follows an actual filename will be accepted or rejected.

Default : AcceptPathInfo Default

Version 2.0.30+

AcceptPathInfo On|Off|Default

2

To controls which accept() mutex method Apache will use

Default AcceptMutex default

Version 1.3

AcceptMutex uslock|pthread |sysvsem|fcntl |flock|os2sem |tpfcore |none|default

3

To specify a directory rather than a file name

Default  AccessConfig conf/access.conf

Version 1.3.13+ till 2.0

AccessConfig file-path|directory-path|wildcard-path

4

To specify the access control file

Default AccessFileName .htaccess

Version 1.3 +

AccessFileName filename [filename]

Example : AddDefaultCharset utf-8

5

To specify the name of the character set that will be added to any response that does not have any parameter on the content type in the HTTP headers

Default AddDefaultCharset Off

Version 1.3.12

AddDefaultCharset On|Off|charset

6

To enable Apache's internal default charset of iso-8859-1

Default AddDefaultCharset Off

Version 1.3.12

AddDefaultCharset On

7

To enable the use of modules that the server is already compiling but they are not actively in use.

Version 1.2 +

AddModule module [module] ..

2

To assigns an output filter to a particular MIME-type

Version 2.0.33+

AddOutputFilterByType filter[;filter...] MIME-type [MIME-type] ...

Example : AddOutputFilterByType DEFLATE text/html text/plain

3

To allow URLs which contain encoded path separators (%2F for / and additionally %5C for \ on according systems) to be used.

Default : AllowEncodedSlashes Off

Version 2.0.46+

AllowEncodedSlashes On|Off

8

To make the server know which directives declared in .htaccess file can override earlier access information

Default AllowOverride All

Version 1.3 +

AllowOverride All|None|directive-type [directive-type]

note: [directive-type] are AuthConfig | FileInfo |Indexes | Limit | Options

Example : AllowOverride AuthConfig Indexes

9

To set the name of the authorization realm for a directory. This realm is given to the client so that the user knows which username and password to send.

(note: use double quotation if the name contains spaces)

Version 1.3+

AuthName auth-domain

Example :  AuthName "Top Secret"

10

To set a per realm secret nonce prefix which is used to ensure that a captured username, password and realm string during a Digest exchange cannot be replayed at other places.

Version 1.3

AuthDigestRealmSeed secret-real-string

11

To select the type of user authentication for a directory

Version 1.3+

AuthType Basic|Digest

12

To specify whether the server should listen for connections to every IP address of the server machine, or just one IP address of the server machine

Default BindAddress *

Version 1.3 & eliminated in 2.0

BindAddress *|IP-address|domain-name

13

To define the account number for the non-privileged apache server user

Default none

Version 1.3

BS2000Account account

14

Default CGICommandArgs On

Version 1.3.24 +

CGICommandArgs On|Off

4

To control how Apache finds the interpreter used to run CGI scripts.

Version 2.0

NetWare only

CGIMapExtension cgi-path .extension

Example : CGIMapExtension sys:\foo.nlm .foo

15

To clear the built-in list of active modules

Version 1.2

ClearModuleList

16

To generate the Content-MD5 headers as defined in RFC1864 respectively RFC2068.

Default ContentDigest off

Version 1.1 +

ContentDigest on|off

17

To define the directory to which Apache attempts to switch before dumping core.

Default The same location as ServerRoot

Version 1.3

CoreDumpDirectory directory-path

18

When the server can't define the content-type of a document it uses the DefaultType provided.

Default DefaultType text/plain

Version 1.3+

DefaultType MIME-type

Example : DefaultType image/gif

19

To enclose a group of directives which will apply only to the named directory and sub-directories of that directory.

Version 1.3

<Directory directory-path|proxy:url-path> ... </Directory>

Example :

 <Directory /usr/local/httpd/htdocs>
Options Indexes FollowSymLinks
</Directory>

Example :

   <Directory proxy:*>

     ... directives here ...

   </Directory>

Version 2.0

<Directory directory-path> ... </Directory>

Example :

<Directory /usr/local/httpd/htdocs>
Options Indexes FollowSymLinks
</Directory>

20

To enclose a group of directives which will apply only to the named directory and sub-directories of that directory AND it takes as an argument a regular expression( ex. <DirectoryMatch "^/www/.*/[0-9]{3}">)

Version 1.3 +

<DirectoryMatch regex> ... </DirectoryMatch>

Example : <DirectoryMatch "^/www/(.+/)?[0-9]{3}">

21

To set the directory from which httpd will serve files

Default : DocumentRoot /usr/local/apache/htdocs

Version 1.3 +

DocumentRoot directory-path

Example : DocumentRoot /usr/web

22

To map the given file name extension to the specified conversion setting (On or Off).

Version 1.3.19

EBCDICConvert On|Off[=direction] extension [extension] ...

23

To map the given MIME type (optionally containing wildcards) to the specified conversion setting (On or Off).

Version 1.3.19

EBCDICConvertByType On|Off[=direction] mimetype [mimetype] ...

24

Default : EBCDICKludge Off

Version 1.3.19

EBCDICKludge On|Off

25

To control whether or not an exception hook implemented by a module will be called after a child process crash.

Default : EnableExceptionHook off

Version 1.3.30

EnableExceptionHook on|off

5

6

26

1. output a simple hardcoded error message
2. output a customized message
3. redirect to a local URL-path to handle the problem/error
4. redirect to an external URL to handle the problem/error

Default : output a simple hardcoded error message

Versions 1.1 +

ErrorDocument error-code document

27

To set the name of the file to which the server will log any errors it encounters.

Default : ErrorLog logs/