[squid-users] Windows passthrough auth and login prompts

[Darren Spruell]

We run squid for some clients that need to access partners' websites 
that are set up to authenticate users using NTLM. (At least, we see 
their servers passing the following headers:)

 Server: Microsoft-IIS/5.0
 WWW-Authenticate: Negotiate
 WWW-Authenticate: NTLM
I understand that transparent passthrough authentication will not work 
though an HTTP proxy, but what we end up seeing is that users off the 
proxy receive a login prompt from the web server and can then 
authenticate manually, but users on the proxy simply get an "access 
denied" message from the web server and can't view the page - no login 
prompt. Is this also related to the NTLM authentication not being 
supported, or is there a way we can make it so that users are still 
given the login prompt?

TIA

--
Darren Spruell
Sento I.S. Department
[EMAIL PROTECTED]