I want to use Xampp or Apache to store 3 files proxy.pac url ( http://www.mynetwork.com/pac/proxy.pac each file has a specific conf and i have 3 files proxy_site_1.pac, proxy_site_2.pac, proxy_site_3.pac, i want to know if it possible to set a config on apach or Xampp to identify source ip request if client send from site 1 appache send config proxy_site_1.pac and if apache received request from site 3 the server will be be send proxy_site_3.pac ( but with this name file proxy.pac ) because on ie i will be configure the same url http://www.mynetwork.com/pac/proxy.pac, the server will be identify site with subnet

Sorry for my english

Thanks