Hi Zaki, Yes, you can do this. But configure your PIX as a packet filtering router, as that is what it seems to work best at. Then, let your ISA Server act as an advanced layer 7 firewall. 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: zaki@xxxxxxx [mailto:zaki@xxxxxxx] Sent: Wednesday, April 09, 2003 3:18 AM To: [ISAserver.org Discussion List] Subject: [isalist] two different firwall http://www.ISAserver.org Hi all Can i configure back to back firwall with different firwall platform: The external firwall is PIX Cisco and second is ISA server in DMZ Zone. My aim is publish Outlook Web Access and NFuse (Citrix). OR there is other procdure to complete this Procdure without ignoring or losing PIX Cisco firwall. thanks for all your help.... ------------------------------------------------------ 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')