Hi, I've been checking my configurations again and found out that was me who was making a big confusion with the DNS Servers. Thanks everyone, nelson camacho -----Mensagem original----- De: John Tolmachoff [mailto:isalist@xxxxxxxxxxxx] Enviada: quarta-feira, 22 de Janeiro de 2003 14:25 Para: [ISAserver.org Discussion List] Assunto: [isalist] RE: Proxy vs. Firewall routing http://www.ISAserver.org > It seems like the problem described there where a LAT host makes a request for an > ISA-Published server, the result is ISA trying to create a packet where source and > destination is the same. You are doing something wrong. An internal client should not be contact ISA to access a server internally. You have to check your internal DNS server. Your internal DNS server should not have a server that is internal configured with a public IP address. It should have the internal IP address. John Tolmachoff MCSE, CSSA IT Manager, Network Engineer RelianceSoft, Inc. Fullerton, CA 92835 www.reliancesoft.com ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Exchange Server Resource Site: http://www.msexchange.org/ Windows Security Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: ncamacho@xxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')