mod_env
Modifies the environment which is passed to CGI scripts and SSI pages
Base
mod_env.c
env_module

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.

Environment Variables
PassEnv
Passes environment variables from the shell
PassEnv env-variable [env-variable] ...
server config
virtual host
directory
.htaccess
FileInfo

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
Sets environment variables
SetEnv env-variable value
server config
virtual host
directory
.htaccess
FileInfo

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

SetEnv SPECIAL_PATH /foo/bin
UnsetEnv
Removes variables from the environment
UnsetEnv env-variable [env-variable] ...
server config
virtual host
directory
.htaccess
FileInfo

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

UnsetEnv LD_LIBRARY_PATH