I need to publish a website through TMG 2010 for internal use. The web server is on the same subnet as the internal interface in TMG and listens on port 8080. I want to be able to connect to an alias for this website on port 80 and redirect this to port 8080 on the web server.
I can authenticate directly to the website which uses NTLMv2 to sign the user in automatically.
When I set this up through TMG I can't get the automatic sign in to work if I use HTTP authentication on the listener. If I use forms based authentication then I can get this to work by setting the delegation to "NTLM" and this works fine. It does not appear that I can set the delegation to "NTLM" when using HTTP authentication.
Using the option "No delegation, but the client may authenticate directly" gives the same outcome where I am prompted for a username and password. I have ticked the box for "Allow client authentication over HTTP" to no effect.
Thanks
Danny