The Apache HTTP Server is distributed with a number of modules. By default the following modules are installed and enabled with the httpd package on Red Hat Linux:
mod_access mod_auth mod_auth_anon mod_auth_dbm mod_auth_digest mod_include mod_log_config mod_env mod_mime_magic mod_cern_meta mod_expires mod_headers mod_usertrack mod_unique_id mod_setenvif mod_mime mod_dav mod_status mod_autoindex mod_asis mod_info mod_cgi mod_dav_fs mod_vhost_alias mod_negotiation mod_dir mod_imap mod_actions mod_speling mod_userdir mod_alias mod_rewrite |
Additionally, the following modules are available by installing additional packages:
mod_auth_mysql mod_auth_pgsql mod_perl mod_python mod_ssl php squirrelmail |