Which Ports Cannot Be Accessed?

Some carriers will block the following ports for security reasons. It is recommended that you do not use the following ports.

Protocol	Port Not Supported
TCP	42, 135, 137, 138, 139, 444, 445, 593, 1025, 1068, 1434, 3127, 3128, 3129, 3130, 4444, 4789, 5554, 5800, 5900, and 9996
UDP	135 to 139, 1026, 1027, 1028, 1068, 1433, 1434, 4789, 5554, and 9996

Parent topic: NAT Gateway

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