Installation guide

Wireless ADSL Modem User’s Manual 44
• Public Port: This field allows the user to enter the port number of the Public
Network.
• Private Port: This field allows the user to enter the port number of the Private
Network. In most cases, the private port number is same as public port number.
• Host IP Address: This field allows the user to enter the private network IP
address for the particular sever.
For example, IP of Windows machine that connected with modem is 192.168.2.101 and
you want to disable port 21 with UDP protocol:
ID Public Port Private Port Port Type Host IP Address
2 21 21 choose UDP 192.168.2.101
If you want to disable port 23 with both TCP and UDP protocols:
ID Public Port Private Port Port Type Host IP Address
1 23 23 choose TCP 192.168.2.101
2 23 23 choose UDP 192.168.2.101
Once done, save it and reboot your modem.