Smart Filtering

Apache also uses a number of filters internally to perform functions like chunking and byte-range handling.

A wider range of applications are implemented by third-party -filter modules. A few of these are:

A wider range of applications are implemented by third-party filter +modules available from modules.apache.org and +elsewhere. A few of these are:

Smart Filtering

@@ -108,7 +112,7 @@

an HTML processing filter will only run if the content is text/html or application/xhtml+xml

A compression filter will only run if the input is a -compressable type and not already compressed

+compressible type and not already compressed

A charset conversion filter will be inserted if a text document is not already in the desired charset

@@ -117,11 +121,11 @@

Using Filters

There are two ways to use filtering: Simple and Dynamic. -In general, you should use one or the other: mixing them can +In general, you should use one or the other; mixing them can have unexpected consequences (although simple Input filtering -can be mixed freely with either simple or dynamic Output filtering!

+can be mixed freely with either simple or dynamic Output filtering).

The Simple Way is the only way to configure input filters, and is -suficient for output filters where you need a static filter chain. +sufficient for output filters where you need a static filter chain. Relevant directives are SetInputFilter, SetOutputFilter, @@ -134,10 +138,13 @@ of output filters, as discussed in the mod_filter page. Relevant directives are FilterChain, - FilterDeclare, + FilterDeclare, and FilterProvider.

One further directive AddOutputFilterByType is still supported, -but may be problematic and is now deprecated. Use dynamic configuration -instead.

+ +

One further directive AddOutputFilterByType is still supported, +but may be problematic and is now deprecated. Use dynamic +configuration instead.

Modified: httpd/httpd/branches/2.2.x/docs/manual/mod/core.xml URL: http://svn.apache.org/viewcvs/httpd/httpd/branches/2.2.x/docs/manual/mod/core.xml?rev=345333&r1=345332&r2=345333&view=diff ============================================================================== --- httpd/httpd/branches/2.2.x/docs/manual/mod/core.xml (original) +++ httpd/httpd/branches/2.2.x/docs/manual/mod/core.xml Thu Nov 17 13:40:51 2005 @@ -242,12 +242,14 @@ virtual hostdirectory .htaccess FileInfo -Available in Apache 2.0.33 and later +Available in Apache 2.0.33 and later; deprecated in Apache 2.1 and later

This directive activates a particular output filter for a request depending on the - response MIME-type.

+ response MIME-type. Because of certain + problems discussed below, this directive is deprecated. The same + functionality is available using mod_filter.

The following example uses the DEFLATE filter, which is provided by mod_deflate. It will compress all @@ -513,18 +515,21 @@

This directive selects the type of user authentication for a - directory. Only Basic and Digest are - currently implemented. + directory. The authentication types available are + Basic (implemented by + mod_auth_basic) and Digest + (implemented by mod_auth_digest).

+ +

To implement authentication, you must also use the AuthName and Require directives. In addition, the + server must have an authentication-provider module such as + mod_authn_file and an authorization module such + as mod_authz_user.

+ - It must be accompanied by AuthName and Require directives, and directives such - as AuthUserFile and - AuthGroupFile to - work.

- Authentication, Authorization, -and Access Control + and Access Control @@ -2386,8 +2391,11 @@ AuthConfig -

This directive selects which authenticated users can access - a resource. The allowed syntaxes are:

This directive selects which authenticated users can access a + resource. The restrictions are processed by authorization + modules. Some of the allowed syntaxes provided by + mod_authz_owner and + mod_authz_groupfile are:

Require user userid [userid] @@ -2402,6 +2410,11 @@: All valid users can access the resource.


 
+    Other authorization modules that implement require options
+    include mod_authnz_ldap,
+    mod_authz_dbm, and
+    mod_authz_owner.
+
     Require must be accompanied by
     AuthName and AuthType directives, and directives such
@@ -2425,6 +2438,9 @@
     Limit
     section.


+
+Authentication, Authorization,
+    and Access Control 
 Satisfy
 mod_authz_host