Hi Colin, Is the Exchange Server a SecureNAT client of the ISA firewall? Tom www.isaserver.org/shinder Tom and Deb Shinder's Configuring ISA Server 2004 http://tinyurl.com/3xqb7 MVP -- ISA Firewalls -----Original Message----- From: Colin [mailto:colinn@xxxxxxxxxxxxx] Sent: Sunday, June 19, 2005 12:56 PM To: [ISAserver.org Discussion List] Subject: [isalist] How do you configure the ISA in a PIX DMS environment? http://www.ISAserver.org I read the article http://www.isaserver.org/tutorials/2004isapixdmz.html and want to configure my environment based on the section "Following the Path to Exchange in an ISA Firewall in PIX DMZ Environment". However, I cannot seem to figure this out. My DMZ network is configured as 172.16.0.0 and my Internal network is configured as 192.168.0.0. Currently the PIX routes my external mail requests to my ISA box at 172.16.1.20 and ISA has it's "Internal" network configured to use the 192 address. I create an SMTP mail publishing rule to listen on External and forward to the 192 address of my Exchange server but I am getting Failed Denied connections when I test the connection by telnetting to the external mail domain at port 25. Please help! Thanks! ------------------------------------------------------ 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 ------------------------------------------------------ Other Internet Software Marketing Sites: World of Windows Networking: http://www.windowsnetworking.com Leading Network Software Directory: http://www.serverfiles.com No.1 Exchange Server Resource Site: http://www.msexchange.org Windows Security Resource Site: http://www.windowsecurity.com/ Network Security Library: http://www.secinf.net/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: tshinder@xxxxxxxxxxxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=isalist Report abuse to listadmin@xxxxxxxxxxxxx
