Hi Chris, >> >> Client ---> Squid ---> NTLM enabled proxy ---> Internet >> > > Squid 2.6, 2.7 and 3.1 should support pass through NTLM authentication (to a > web server or parent proxy). 3.0 will not. > Thank you for the feature supported version info, I finally managed to get this to work, i reply to the list with my config, it may help somebody in the future: cache_peer 172.17.86.27 parent 8080 0 proxy-only no-query default no-digest login=PASS persistent_connection_after_error on >> Thanks for your help. >> >> Momo >> > Chris