Apache Reference: http_core, BindAddress

BindAddress

Bind to a TCP/IP Address (Deprecated)
Syntax: BindAddress A
Example: BindAddress 192.168.1.1
Since: Apache 1.0

Under UNIX, Apache can listen for connections to either every IP address of the server machine (the default) or just one IP address of the server machine. The argument address can be ``*'', a numerical IP address, or the name of a host with a unique IP address. If the value is ``*'', then Apache will listen for connections on every IP address; otherwise, it will listen on only the specified address.

A maximum of one BindAddress directive can be used. To get more control over the addresses and ports to which Apache listens, use the Listen directive instead of BindAddress. This feature is generally used as an alternative method for supporting virtual hosts through multiple independent servers, instead of through <VirtualHost> sections.