Sure, it is referred to as NAT (Network Address Translation). It is one of the main functions of the ISA server. ________________________________ From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Wilmar Perez Sent: Thursday, October 12, 2006 7:42 AM To: isalist@xxxxxxxxxxxxx Subject: [isalist] Masquerade Hello everybody Does anyone know if it possible to do a masquerade configuration with ISA 2004? Regards, Wilmar Perez Send instant messages to your online friends http://uk.messenger.yahoo.com