That's because the firewall client is required to handle the secondary connections. HTH, Tom Thomas W Shinder www.isaserver.org/shinder <http://www.isaserver.org/shinder> ISA 2004 Beta - Get it now! http://www.microsoft.com/isaserver/beta/default.asp <http://www.microsoft.com/isaserver/beta/default.asp> ISA Server and Beyond: http://tinyurl.com/1jq1 Configuring ISA Server: http://tinyurl.com/1llp <http://tinyurl.com/1llp> -----Original Message----- From: atif yaseen [mailto:atifch143@xxxxxxxxxxx] Sent: Friday, April 23, 2004 4:06 PM To: [ISAserver.org Discussion List] Subject: [isalist] RE: need to open port 5100 http://www.ISAserver.org Read This! It will guide you step by step. http://forums.isaserver.org/ultimatebb.cgi?ubb=get_topic;f=17;t=000184 Enjoy!!! <http://graphics.hotmail.com/emrose.gif> Atif Yaseen Ch. <http://graphics.hotmail.com/emrose.gif>