Installation guide

204 Chapter 14. Apache HTTP Server

Note

Any name-based virtual hosts you set up will only work with non-secure HTTP connections as you

cannot use name-based virtual hosts with a secure server. If you need to use virtual hosts with a

secure server, you will need to use IP address-based virtual hosts.

If you are using name-based virtual hosts, uncomment the NameVirtualHost conﬁguration directive

and add the correct IP address for your server after NameVirtualHost. Then add more information

about the different domains using the VirtualHost tags which surround the ServerName for each

virtual host, plus any other conﬁguration directives which are only applicable to that virtual host.

14.5.70. VirtualHost

VirtualHost and /VirtualHost tags surround any conﬁguration directives which are in-

tended to apply to a virtual host. Most conﬁguration directives can be used within virtual host tags,

and then they only apply to that particular virtual host.

A set of commented out VirtualHost tags surround some example conﬁguration directives and

placeholders for the information you would need to ﬁll in to set up a virtual host. Please see Section

14.8, for more information about virtual hosts.

Note

All SSL virtual hosts contexts have been moved into the ﬁle /etc/httpd/conf.d/ssl.conf.

14.5.71. SetEnvIf

The Apache conﬁguration directive SetEnvIf can be used to set environment variables based on

headers in the request. In the supplied httpd.conf ﬁle, it is used to disable HTTP keepalive and to

allow SSL to close the connection without a close notify alert from the client browser. This setting is

necessary for certain browsers that do not reliably shut down the SSL connection.

14.5.72. SSL Conﬁguration Directives

The SSL directives in /etc/httpd/conf.d/ssl.conf ﬁle can be conﬁgured to enable secure Web

communications using SSL and TLS.

For more information on SSL directives, please point your browser to

http://localhost/manual/mod/mod_ssl.html or the Apache group mod_ssl documentation at

http://httpd.apache.org/docs-2.0/mod/mod_ssl.html.

For information about setting up an Apache HTTP Secure Server see the chapter titled Apache HTTP

Secure Server Conﬁguration in the Ofﬁcial Red Hat Linux Customization Guide.

Note

Do not modify your SSL directives unless you are absolutely sure about what you are doing. In most

cases, the SSL directives are conﬁgured appropriately as installed.