Thanks for reply. No anonimous bind: thereÂs a user to bind ldap server. As I said: with AD 2003 was working well, now with AD2008 is not working.... squid version 2.7 stable6 configuration (names are changed): auth_param basic program usr/sbin/squid_ldap_auth -d -v "3" -s "sub" -b "dc=example, dc=org" -D "cn=example-Auth-User,ou=konten,ou=User city,dc=city,dc=example,dc=org" -w "fffff" -f "sAMAccountName=%s" -h "ldapserver.ab.example.org" -p "3268" auth_param basic children 50 Any help? >----Messaggio originale---- >Da: jcasale@xxxxxxxxxxxxxxxxx >Data: 20-gen-2011 12.58 >A: "squid-users@squid-cache. org"<squid-users@xxxxxxxxxxxxxxx> >Ogg: RE: Squid - ldap auth against active directory 2008 R2 > >>On the cache.log of squid i can see a error message "could not bind to bindn" >>server" "canÂt contact ldap server. >> >>Could someone help me to let it work? > >Probably not without seeing your config and knowing your AD setup. >If you upgraded, has your ldap topology remained exactly the same? >Were you binding anonymously previously as by default anon binds >are disabled in AD. Are you binding to the same user DN as you were >and does that user DN still exist? > >jlc >