Hi List !!!! I'm from Brazil and this is my first post here... I'm trying do authentication in my Active Directory with Winbind and = Samba, I'm using FreBSD 6.3 Release, Squid 2.6.STABLE16 and Samba = 3.0.28. I am having problems with authentication.... I used to Squid 2.5 and I obtained sucess in my authentication... But = with Squid 2.6 I didn't obtain. Follow the error in my cache.log: Could not convert sid S-1-5-21-992990153-3527494177-555559510-3105 to = gid Could not get groups for user 0 2008/02/26 10:49:56| helperHandleRead: unexpected reply on channel -1 = from nt_group #1 'OK' I found this correct, but the error continue: = http://wiki.squid-cache.org/KnowledgeBase/NoNTLMGroupAuth Follow my squid.conf, the authenticatio step #NTLM auth_param ntlm program /usr/local/bin/ntlm_auth = --helper-protocol=3Dsquid-2.5-ntlmssp -d 2 auth_param ntlm children 60 auth_param ntlm keep_alive on #B=E1sico auth_param basic program /usr/local/bin/ntlm_auth = --helper-protocol=3Dsquid-2.5-basic auth_param basic children 10 auth_param basic realm Internet Monitorada auth_param basic credentialsttl 2 hours #ACL External para Grupos external_acl_type nt_group ttl=3D0 concurrency=3D5 %LOGIN = /usr/local/libexec/squid/wbinfo_group.pl Follow some tests that I realized: srv-gw01-sve# wbinfo -u | grep fernando.lima fernando.lima srv-gw01-sve# wbinfo -g | grep g-netliberada-sve g-netliberada-sve srv-gw01-sve# wbinfo -t checking the trust secret via RPC calls succeeded srv-gw01-sve# wbinfo -n g-netliberada-sve S-1-5-21-992990153-3527494177-555559510-4298 Domain Group (2) Please, can somebody help-me ??? Thanks !! Fernando de Lima Network Administrator