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
TCP	42, 135, 137-139, 444, 445, 593, 1025, 1068, 1434, 3127-3130, 3332, 4444, 4789, 4790, 5554, 5800, 5900, 6669, 9996.
UDP	135-139, 445, 593, 1026-1028, 1068, 1433, 1434, 4444, 4789, 4790, 5554, 9996, 17185.

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