Step 3
Select the device to which the rule applies, and tap Next.
Step 4
Set up a port mapping rule.
−
Common Protocol and Port (Optional): Optional. The App presets some common
protocols and their port numbers, such as FTP and TELNET. You can select one as
required, and the Internal Port and External Port are automatically populated. FTP is
selected in this example.
−
Internal Port: The service port of the server on the LAN, which is 21 in this example.
−
External Port: The port opened for internet users, which is 21 in this example.
−
Protocol: The protocol of the service. If you are not sure about it, you can select
TCP&UDP.
Step 5
Tap Save.
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