Hello, i got 2 Machines 1 - Working (Squid 3.1.2 with latest Dansguardian and NTLM) 2 - new (fresh install Debian7 + Squid 3.3.5 with latest Dansguardian and NTLM Auth against a Windows Server 2003) I did the same Installation like the Working one, but still get the Authetification Window in my Browser when i try to use the NEW one. Samba, Winbind, Kerberos working well get all information with Klist, wbinfo -u or -g and get success with wbinfo --authenticate Admin Before i forget, at the moment im useing the Proxy Settings with Port 3128 so i just want to go over Squid/NTLM into the Internet. But still getting the Auth Window in my Browser. At the moment i cant find the Failure. Hope someone can Help me. squid.config <http://squid-web-proxy-cache.1019090.n4.nabble.com/file/n4660796/squid.config> -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Squid-Dansguardian-NTLM-Authentification-Windows-popsup-tp4660796.html Sent from the Squid - Users mailing list archive at Nabble.com.