I am having trouble getting the windows NTLM or ldap authentication working= . We want to prompt for authentication before displaying the web folder loc= ation, however, It will prompt for the user info but will not accept the in= fo even though the user exists I have tried following these instruction with no luck. http://www.papercut.com/kb/Main/InstallingAndConfiguringSquidNTProxy Our configuration without NTLM works perfectly however we need to have user= login. Does anyone have a windows example to share? Here is our setup: We are using Squid 2.7 on a windows 2003 setup with another 2003 box as the= Domain controller. http://squid.acmeconsulting.it/squid.html share drive behind squid: 192.168.10.101 (Samba with apache shares) Squid box: 192.168.100.100 & 192.168.10.100 Domain Controller: 192.168.100.101 Squid.conf changes... auth_param ntlm program c:/squid/libexec/mswin_ntlm_auth.exe auth_param ntlm children 5 auth_param ntlm keep_alive on acl KnownUsers proxy_auth REQUIRED src 192.168.100.0/24 http_access allow KnownUsers # Squid normally listens to port 3128 http_port 80 accel vport=3D8080 defaultsite=3D192.168.10.101:8080 cache_peer 192.168.10.101 parent 8080 0 no-query originserver name=3DmyAcce= l