Virtual Host questions

["Jeff Day" <Jeff.Day@xxxxxxxx>]

Hi,
 
While I am new to virtual host entries, I've been reading a lot of
material on it, and wanted to run a change I need to make by all of you,
and see if I'm on track.
 
I have 3 *HTTP instances running in QHTTPSVR.  I need #2 and #3
instances to use port 80 as well, and it seems that a Name-Based Virtual
Host is what I need.  All 3 instances run fine on the ports they are
currently configured on.  All I want to do is change them to port 80.

Instance:
#1. runs on port 80, and has been for years.
#2. no static pages/content
#3. portal software, has no static pages/content - dynamically driven
by software
 
If I add the following lines between # start and # end, to Instance #2
and #3, should this work for my situation?
 
# start name virtual hosts
# external IP
NameVirtualHost 111.111.111.111:80
# internal IP
NameVirtualHost 192.168.1.111:80
 
<VirtualHost 192.168.1.111:80 111.111.111.111:80>
   ServerName www.alfa.com
</VirtualHost>
# end
 
Is there a recommended spot in the configuration file to place these
lines? After or before anything?
 
Is there anything that is required that I'm missing?
 
Do I need to remove the Listen command from the 2 instances I change?
 
If I leave the Listen command, will it serve content over both ports?

 
Do I need to include the port numbers with the IP addresses on the
VirtualHost tag?
 
Thank you and Best Regards,
Jeff



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