Wireless Cable Modem Gateway CGD24G User Manual
To configure port blocking and services to block specific outbound traffic:
1.In the main menu, under Advanced, select Port Blocking. The Port Blocking screen displays.
Figure
2.Under Add Predefined Service, select a predefined service from the Service field. (For example, FTP, which uses TCP ports 20 and 21.)
3.As an option, you can also specify a custom rule that is not in the list of predefined services by specifying the following settings in the Add Custom Service table:
•Name. Enter a name for the service.
•Start Port. Enter the start port for the service.
•End Port.Enter the end port for the service.
•Protocol. Select the protocol for the ports:
–TCP. Select TCP only.
–UDP. Select UDP only.
–Both. Select both TCP and UDP.
Content Filtering and Firewall Rules |
