Hey guys, While slightly off topic, DNS is critical when putting together the infrastructure to support your ISA firewall. This article is written by the founder of DNS -- a must read! Defending your DNS: Best practices for reliable DNS and DHCP - Computerworld: http://www.computerworld.com/networkingtopics/networking/story/0,10801,8 2018,00.html HTH, Tom Thomas W Shinder www.isaserver.org/shinder <http://www.isaserver.org/shinder> ISA Server and Beyond: http://tinyurl.com/1jq1 Configuring ISA Server: http://tinyurl.com/1llp <http://tinyurl.com/1llp>