Help Center > > FAQs> Which Ports Cannot Be Accessed?

Which Ports Cannot Be Accessed?

Updated at: Oct 24, 2019 GMT+08:00

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

42 135 137 138 139 445 593 1025 1434 1068 3127 3128 3129 3130 4444 4789 5554 9996

UDP

1026 1027 1434 1068 4789 5554 9996 1028 1433 135 ~ 139

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