Url-Host-Based Virtual Servers; Default Virtual Server - Netscape ENTREPRISE SERVER 6.1 - 08-2002 ADMINISTRATOR Administrator's Manual

URL-Host-Based Virtual Servers

You can set up URL-host-based virtual servers by giving them unique URL hosts.
The contents of the Host request header directs the server to the correct virtual
server.
For example, if you want to set up virtual servers for customers a, b, and c) so that
each customer can have an individual domain name, you first configure DNS to
recognize that each customer's URL,
to the IP address of the listen socket you are using. You then set the URL hosts for
each virtual server to the correct setting (for example,
You can have any number of these URL-host-based virtual servers associated with
a connection group.
Because URL-Host-based virtual servers use the
user to the correct page, not all client software works with them. Older client
software that does not support the HTTP
will receive the default virtual server for the connection group.

Default Virtual Server

URL-Host-based virtual servers are selected using the
end user's browser does not send the
specified header, the default virtual server services the request.
Host
Also, for IP-address-based virtual servers, if Enterprise Server cannot find the
specified IP address, the default virtual server services the request. You can
configure the default virtual server to send an error message, or server pages from
a special document root.
NOTE Do not confuse the default virtual server for a connection group
with the default class and virtual server created when you install
the server. The default class is created at installation time and
contains the server instance's virtual server as a member. The
default virtual server for a connection group is any virtual server
you designate as the default.
www.a.com, www.b.com
www.a.com
request header to direct the
Host
header won't work. These clients
Host
Host
header, or if the server cannot find the
Host
Chapter 11
Virtual Servers Overview
, , resolves
www.c.com
).
request header. If the
Using Virtual Servers 251