Using ISA as a firewall Share on Facebook Post on reddit Tweet on Twitter Share on LinkedIn Home › Forums › Microsoft Networking and Management Services › Active Directory › Using ISA as a firewall This topic has 10 replies, 6 voices, and was last updated 7 years, 9 months ago by universal. Viewing 1 post (of 1 total) Author Posts tiger1Member Jul 08, 2013 at 9:02 am #161876 Hi there, How can I make ISA server 2006 works as a firewall without joining the ISA server to the domain. Some people told that it’s insecure to join the ISA server machine to the domain. Any extra information? Thanks Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.