Understanding By-Design Behavior of ISA Server 2006: Using Kerberos Authentication for Web Proxy Requests on ISA Server 2006 with NLB

“Some customers implement ISA Server 2006 Enterprise Edition with NLB and use a virtual name mapped to the virtual IP as proxy server on Internet Explorer. They notice that if they do that the HTTP request that the request sent to the ISA Server 2006 is authenticated using NTLM protocol. This post will explain why this is an expected behavior and how to allow Kerberos authentication while maintaining the NLB configuration.”

Check out the details of this article written by Yuri Diogenes and Jim Harrison and reviewed by Doron Juster at:

https://blogs.technet.com/isablog/archive/2008/06/26/understanding-by-design-behavior-of-isa-server-2006-using-kerberos-authentication-for-web-proxy-requests-on-isa-server-2006-with-nlb.aspx

HTH,

Tom

Thomas W Shinder, M.D.
Site: http://www.isaserver.org/
Blog: http://blogs.isaserver.org/shinder/
GET THE NEW BOOK! Go to http://tinyurl.com/2gpoo8
Email: [email protected]
MVP — Microsoft Firewalls (ISA)