Sonicwall NSA 4500 - with required "disable source port remap" hotfix One to One NAT different External/Internal FQDN No idea what is going on. NAT and Firewall access rules setup correctly. All VoIP functionality in firewall disabled. Going Line by line in firewall checker... Port 5060 open Port 5090 closed Port 9000-9005 open Port 9006-9255 closed All of the above ports are open at teh firewall.. This makes no sense. Any insights?