Apache Module mod_version

Description:	Version dependent configuration
Status:	Extension
Module�Identifier:	version_module
Source�File:	mod_version.c
Compatibility:	Available in version 2.0.56 and later

Summary

This module is designed for the use in test suites and large networks which have to deal with different httpd versions and different configurations. It provides a new container -- <IfVersion>, which allows a flexible version checking including numeric comparisons and regular expressions.

Examples

<IfVersion 2.1.0> # current httpd version is exactly 2.1.0 </IfVersion> <IfVersion >= 2.2> # use really new features :-) </IfVersion>

See below for further possibilities.

Directives

<IfVersion>

<IfVersion> Directive

Description:	contains version dependent configuration
Syntax:	`<IfVersion [[!]operator] version> ... </IfVersion>`
Context:	server config, virtual host, directory, .htaccess
Override:	All
Status:	Extension
Module:	mod_version

The <IfVersion> section encloses configuration directives which are executed only if the httpd version matches the desired criteria. For normal (numeric) comparisons the version argument has the format major[.minor[.patch]], e.g. 2.1.0 or 2.2. minor and patch are optional. If these numbers are omitted, they are assumed to be zero. The following numerical operators are possible:

`operator`	description
`=` or `==`	httpd version is equal
`>`	httpd version is greater than
`>=`	httpd version is greater or equal
`<`	httpd version is less than
`<=`	httpd version is less or equal

Example

<IfVersion >= 2.1> # this happens only in versions greater or # equal 2.1.0. </IfVersion>

Besides the numerical comparison it is possible to match a regular expression against the httpd version. There are two ways to write it:

`operator`	description
`=` or `==`	`version` has the form `/regex/`
`~`	`version` has the form `regex`

Example

<IfVersion = /^2.1.[01234]$/> # e.g. workaround for buggy versions </IfVersion>

In order to reverse the meaning, all operators can be preceded by an exclamation mark (!):

<IfVersion !~ ^2.1.[01234]$> # not for those versions </IfVersion>

If the operator is omitted, it is assumed to be =.

Apache Module mod_version

Summary

Examples

Directives

<IfVersion> Directive

Example

Example

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