Updated on 2022-08-08 GMT+08:00

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

Ports Not Supported

TCP

42 135 137 138 139 444 445 593 1025 1068 1434 3127 3128 3129 3130 4444 4789 4790 5554 5800 5900 9996

UDP

135~139 1026 1027 1028 1068 1433 1434 4789 4790 5554 9996