Opening in BOTH directions the dynamic ports, wouldn?t compromise the security ??? Gabriel -----Mensaje original----- De: Thomas W. Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx] Enviado el: Viernes, 10 de Agosto de 2001 03:04 p.m. Para: [ISAserver.org Discussion List] Asunto: [isalist] Q277812 - How to Allow MSN Instant Messenger Traffic Through ISA Server http://www.ISAserver.org This is a multi-part message in MIME format.