Compex Systems 802.11N - Manual (Page 49)

Adding an entry from Custom Server
Entry from Custom Server box lets you enter the other port number service for an
application and new applications.
Custom Server also lets you enter a different public and private port service
Server Type: Enter a brief name for the application. This info helps you track the
application for that port number you set.
Protocol: Select TCP or UDP the application use.
Public Port: select Single or Range of ports application use.
From: if single port, enter this box only. If port range, enter starting port number here.
To: if single port, leave blank. if port range enter, enter last port number here.
Private IP Address: Enter the local IP of the PC running the application
Private Port From: If single port, enter same public port number or new port number.
If port range, enter only the starting port number.
Public IP Address: If the application is to access by any people on the internet, then
select the default, All.
If only specific IP, select Single and enter the IP address.
If only specific range of IP, select Range and enter IP address range.
IP Forwarding: Default is disabled. Check on box to enable.
For configuration refer to Appendix section.
Private IP: enter the local IP address to receive forward packet by the public IP
Public IP: enter the public IP address when access will forward all packet to the local IP
Click Add to add to list.