Dynamix UM-A User Manual page 122

Private Port: This field allows you to enter the port number of the Private Network (LAN or
internal network). In most cases, the private port number is same as public port number. This
port number cannot be seen from the WAN side.
Host IP Address: This field allows you to enter the private network IP address for the
particular server.
Well-known TCP/IP ports are listed in Table below :
4/1 Port ADSL Router P 121