>>The packages we are running are squid-2.6.STABLE20-1.el5 and >>samba-common-3.0.28-1.el5_2.1. >>I am curious whether a package upgrade will fix the problem, if this >>windows 7 thingy has introduced an incompatibility that we expect MS to >>fix with their next release or if this is a valid request that uses a >>hitherto unused part of the protocol and therefore we should allow for >>it. >Are you actually talking about Windows 7 or IE8? >Other NTLM-enabled browsers may still work, IE: firefox. I just booted win7 and connecte it to my proxy server using dansguardian and squid (with NTLM) and all is working perfectly.