[users@httpd] Question about sharing IPs over different installs of Apache

["Tom Ray [Lists]" <lists@xxxxxxxxxxxxxxxx>]

I am trying to make my own little VPS system. I've managed to create a 
few virtual servers, all running their own installs of Apache 2.0.59/PHP 
4.4.2 however, they are all on their own unique IPs. My question is in 
the instance of VPS systems like Ensim or Cpanel, where they create a 
VPS per domain but still share only on IP. How are they managing to do 
this? Is there a way to have to installs of apache listening on the same 
IP address? Can someone shed some light on how Ensim is able to have 
each domain run under it's own user name and have it's own web 
configuration? Am I missing something in how this is done?

thanks!

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