Hi Brig, Did you try something like this: /usr/lib/squid3/basic_ldap_auth -P -R -u cn -b "cn=Users,dc=mydomain,dc=com" -h ldap.mydomain.com Please pay attention, that in practical way I defined that helper do not provide support to such names: john.doe Better to use like this: johndoe Or Passwords like this: P@$$w0rd Better to use like this: Pa77w0rd Moreover, in "cn=Users,dc=mydomain,dc=com" u need always define where the users are placed. e.g.: cn=Users Regards -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Cannot-get-basic-ldap-auth-to-work-with-AD-tp4663282p4663342.html Sent from the Squid - Users mailing list archive at Nabble.com.