Apache HTTP Server Version 2.1

Apache > HTTP Server > Documentation > Version 2.1 > Modules

# Apache Module mod_env

Available Languages: en | ja | ko

Description: | Modifies the environment which is passed to CGI scripts and SSI pages
Status: | Base
Module Identifier: | env_module
Source File: | mod_env.c

### Summary

This module allows for control of the environment that will be provided to CGI scripts and SSI pages. Environment variables may be passed from the shell which invoked the httpd process. Alternatively, environment variables may be set or unset within the configuration process.

### Directives

### See also

- Environment Variables

## PassEnv Directive

Description: | Passes environment variables from the shell
Syntax: | `PassEnv env-variable [env-variable] ...`
Context: | server config, virtual host, directory, .htaccess
Override: | FileInfo
Status: | Base
Module: | mod_env

Specifies one or more environment variables to pass to CGI scripts and SSI pages from the environment of the shell which invoked the httpd process.

### Example

`PassEnv LD_LIBRARY_PATH`

## SetEnv Directive

Description: | Sets environment variables
Syntax: | `SetEnv env-variable value`
Context: | server config, virtual host, directory, .htaccess
Override: | FileInfo
Status: | Base
Module: | mod_env

Sets an environment variable, which is then passed on to CGI scripts and SSI pages.

### Example

`SetEnv SPECIAL_PATH /foo/bin`

## UnsetEnv Directive

Description: | Removes variables from the environment
Syntax: | `UnsetEnv env-variable [env-variable] ...`
Context: | server config, virtual host, directory, .htaccess
Override: | FileInfo
Status: | Base
Module: | mod_env

Removes one or more environment variables from those passed on to CGI scripts and SSI pages.

### Example

`UnsetEnv LD_LIBRARY_PATH`

Available Languages: en | ja | ko