Firewall requirements: There are many different firewalls, so we can not provide you with a step-by-step procedure. This file lists the technical requirements. Please refer to the manual or support of your firewall for details on how to configure this in your firewall. Technical details: *** Maya <= 2009 *** protocol: TCP hosts: 131.180.0.200 131.180.0.201 131.180.0.202 ports: 29020 30013 *** Maya >= 2010 *** protocol: TCP hosts: 131.180.161.81 131.180.161.82 131.180.161.83 ports: 27035 28035