Good news! The new ISA firewall supports logging the referring server names. That is great as the previous versions of the ISA firewall didn’t support this. You can find the setting in the Web Proxy logging configuration dialog box as seen below.
HTH,
Tom
Thomas W Shinder, M.D.
Site: www.isaserver.org
Blog: http://blogs.isaserver.org/shinder/
Book: http://tinyurl.com/3xqb7
MVP — ISA Firewalls