Thecus N2810 User Manual page 111

And click "Create" to add more port mapping from Internet to access desired
services or press "Refresh" to get most updated list.
A description for each item as following:
UPnP Port Management
Item
Start port
End port
Protocol
Description
Apply
Cancel
WARNING
To modify or remove listed role, click on associated item then press "Edit" to carry
on necessary action.
Description
Specific port number starts with.
Specific port number ended
Choose the protocol for port forwarding needed.
Specific the port services if applicable.
Click "Apply" to confirm the changes.
Click "Cancel" to abort the changes
Some of the routers do not allow the input of
port number below 1024. So it may have
resulted "setting fails".
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