Netopia Router PN Series Reference Manual page 89

Select Service. A pop-up menu of services and ports appears.
Add Exported Service
Service...
Local Server's IP Address:
ADD EXPORT NOW
Select any of the services/ports and press Return to associate
it with the address of a server on your local area network.
Press the Escape key when you are finished configuring
Exported Services to go back to the IP Setup screen.
IP Setup 4-9
+-Type------Port-+
+----------------+
| ftp 21 |
| telnet 23 |
| smtp 25 |
| tftp 69 |
| gopher 70 |
| finger 79 |
| www-http 80 |
| pop2 109 |
| pop3 110 |
| snmp 161 |
| chat 531 |
| Other... |
+----------------+
CANCEL