User's Manual

Table Of Contents
Security
32
WiFi Cable Modem Router C3700
The Block Services Setup screen displays:
5. From the Service Type list, select the application or service to allow or block. The list already
displays several common services, but you are not limited to these choices. To add any
additional services or applications that do not already display , select User Defined.
6. For User Defined, select the protocol, and enter the name and the range of port numbers of
the service. For known services, these fields are filled in automatically .
If you know that the application uses either
TCP or UDP, select the appropriate protocol. If
you are not sure, select TCP/UDP.
7. Enter the starting and ending port numbers. If the application uses a single port number ,
enter that number in both fields.
8. Enter the IP address of the computer that you want to block.
9. Click Add
to enable your Block Services Setup selections.
Schedule Blocking
You can specify the days and time that you want to block Internet access.
To schedule blocking:
1. From the Advanced tab, select
Security > Schedule.