Hi Osman, The FE and BE MUST BE ON THE INTERNAL NETWORK. HTH, Tom Thomas W Shinder www.isaserver.org/shinder ISA Server and Beyond: http://tinyurl.com/1jq1 Configuring ISA Server: http://tinyurl.com/1llp -----Original Message----- From: osman filiz [mailto:osmanfiliz@xxxxxxxxxxx] Sent: Thursday, March 20, 2003 3:20 AM To: [ISAserver.org Discussion List] Subject: [isalist] Front-end Back-end & ISA server http://www.ISAserver.org We have isa with sp1 on w2k with sp3.Our Back-end (E2K with SP3) server is behind isa server.We must open some ports tcp 389,3268,88 etc...When i publish inside server with these ports it is not working because isa server is also a domain controller and listening these ports...In this situation can isa behave like router and just forward the packets to inside server?And how? _________________________________________________________________ MSN 8 with e-mail virus protection service: 2 months FREE* http://join.msn.com/?page=features/virus ------------------------------------------------------ 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: tshinder@xxxxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')