I have my Redhat 5.4 linux server fully integrated into my companies AD.? The biggest issue I have is that I am using a rid backend which means that anyone with an AD account can log into the server.? So my quesiton is, how can I restrict server login via AD groups?? I have tried using pam?with pam_listfile, but for some reason it does not work, I keep getting errors about sshd refusing the user.? I can use this config for su restrictions but not logins. I keep getting the following error in /var/log/secure: pam_listfile(sshd:auth): Refused user DOMAIN+user for service sshd Does anyone have a working config I could model mine against? Thanks /etc/security/loginauthgrp wheel root DOMAIN+operations /etc/pam.d/system-auth (Very first line) auth??????????? required??????? pam_listfile.so item=group sense=allow file=/etc/security/loginauthgrp.allow onerr=fail