Chapter 15. Apache
The Apache product includes software developed by the Apache Software Foundation (http://www.apache.org).
The Apache HTTP server is a robust and commercial-grade open source Web server used by the majority of websites on the Internet. The Red Hat Linux distribution includes Apache, as well as a number of additional modules which are designed to enhance the functionality of the server and add strong encryption capabilities. Apache's default configuration should work for most users. You may never need to change any of Apache's configuration directives. If you do want to change any of the default configuration options, you will need to know what some of the options are and where to find them. This chapter covers how to use and configure the Apache Web server.
 | Warning |
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If you plan to use the Apache Configuration Tool (apacheconf), a GUI utility provided with Red Hat Linux, do not edit your Apache Web server's /etc/httpd/conf/httpd.conf configuration file. Conversely, if you want to edit httpd.conf by hand, do not use the Apache Configuration Tool. If you need more information on the Apache Configuration Tool, please see the Official Red Hat Linux Customization Guide. |
After you have installed the apache package, the Apache Web server's documentation is available by installing the apache-manual package and pointing a Web browser to http://localhost/manual/ or you can browse the Apache documentation available on the Web at http://httpd.apache.org/docs/. The Apache Web server's documentation contains a full list and complete descriptions of all of Apache's configuration options. For your convenience, this chapter provides short descriptions of the configuration directives used in the version of Apache provided with Red Hat Linux.
The version of Apache included with Red Hat Linux includes the ability to set up secure Web servers using the strong SSL encryption provided by the mod_ssl and OpenSSL packages. When you are reading your Web server's configuration file, be aware that it includes both a non-secure and a secure Web server. The secure Web server runs as a virtual host, which is also configured in the httpd.conf file. For more information about virtual hosts, see the Section called Using Virtual Hosts.
 | Note |
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We do not include FrontPage extensions. The Microsoft™ license prohibits the inclusion of the extensions in a third party product. To find out more about FrontPage extensions, refer to http://www.rtr.com/fpsupport/. |
Default Modules
Apache is distributed with a number of modules. By default the following modules are installed and enabled with the Apache package on Red Hat Linux:
mod_vhost_alias mod_env mod_log_config mod_log_agent mod_log_referer mod_mime mod_negotiation mod_status mod_info mod_include mod_autoindex mod_dir mod_cgi mod_asis mod_imap mod_actions mod_userdir mod_alias mod_rewrite mod_access mod_auth mod_auth_anon mod_auth_db mod_expires mod_headers mod_setenvif |
The following modules are installed but disabled (see the Section called Adding Modules to Your Server):
mod_mmap_static mod_mime_magic mod_speling mod_auth_any mod_auth_dbm mod_auth_ldap mod_auth_mysql mod_auth_pgsql mod_digest libproxy mod_cern_meta mod_usertrack mod_example mod_unique_id |
The following modules are available by installing additional packages:
mod_bandwidth mod_throttle libperl mod_php libphp3 libphp4 libdav mod_roaming libssl mod_put mod_python |