Apache Modules
Apache Modules are code segments that are written to comply with the Apache API specification and can be loaded into the Apache Web Server. Apache modules can be loaded in one the following ways.
- Statically loaded in the compiled httpd daemon
- Dynamically loaded in the web server configuration file
This modular design for adding web server features gives web administrators
and developers tremendous power and flexibility. A wide variety of Apache
modules have been created supporting all kinds of exciting web server
features. Web server speed and efficiency is improved when using Apache
modules since your Virtual Private Servers web server can internally process
instruction sets rather than relying on external applications.
Static Apache Modules
The following Apache modules are statically loaded into our customized Apache Web Server.
apache_ssl
mod_access
mod_actions
mod_alias
mod_auth
mod_auth_dbm
mod_autoindex
mod_cgi
mod_dir
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mod_imap
mod_include
mod_log_agent
mod_log_config
mod_log_referer
mod_mime
mod_so
mod_setenvif
mod_userdir
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Dynamic Apache Modules
Dynamic module support is one of the key features of the Apache Web Server.
The ability to dynamically load modules is known as DSO support. DSO allows
you to extend the features and capabilities of Apache by adding the specific
module you need, when you need it, without recompiling the web server binary.
Some notable dynamic Apache modules include the following.
Use the LoadModule directive in order to load a dynamic module into your Apache Web Server. The
LoadModule should be placed at the top of your web server configuration file
(~/www/conf/httpd.conf). The syntax is like this:
LoadModule MODULE-NAME modules/FILE-NAME
For example, to add the Status Module, add this line:
LoadModule status_module modules/mod_status.so
A complete list of all available dynamic Apache modules appears below.
FILE-NAME MODULE-NAME
mod_asis asis_module
mod_auth_anon anon_auth_module
mod_auth_db db_auth_module
mod_auth_mysql auth_mysql_module
mod_cern_meta cern_meta_module
mod_dav
mod_digest digest_module
mod_env env_module
mod_expires expires_module
mod_fastcgi fastcgi_module
mod_frontpage
mod_gzip
mod_headers headers_module
mod_info info_module
mod_jk
mod_jserv
mod_mime_magic mime_magic_module
mod_mmap_static mmap_static_module
mod_negotiation negotiation_module
mod_perl
mod_php4
mod_proxy proxy_module
mod_python python_module
mod_rewrite rewrite_module
mod_speling speling_module
mod_status status_module
mod_usertrack usertrack_module
mod_vhost_alias vhost_alias_module
NOTE: If you try to load all the modules at the same time you
will probably get a resource error. Simply load the modules you need one at a time.
Compiling Your Own DSO Modules
Apache 1.3 also supports the APXS
(APache eXtenSion) tool. APXS allows you to compile and link your own dynamic shared object (DSO) Apache Modules. To
use APXS, connect to your Virtual Private Servers via Telnet or
SSH and issue the following command.
- FreeBSD
% /usr/local/apache/1.3/bin/apxs OPTIONS MODULE_CODE
- Solaris
% /usr/home/SKEL/apache/1.3/bin/apxs OPTIONS MODULE_CODE
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