Manage the Firewall and Secure Your Network
66
AC1900, N900, and N450 WiFi
Cable Data Gateways
7.
Click the
Add
button.
The Block Services Setup screen displays.
8.
From the
Service Type
menu, select
User Defined
.
9.
Configure the settings for the custom service or application:
•
Protocol
. Select a protocol. If you are not sure what protocol the service or
application uses, select
TCP/UDP
.
•
Starting Port
and
Ending Port
. Enter the starting and ending port numbers. If the
service or application uses a single port number, enter that number in both fields.
•
Service Type/User Defined
. Enter a name for the service or application.
10.
Under Filter Services For, select an IP address configuration:
•
Only This IP Address
. Complete the IP address for the device for which the
application or service must be blocked.
•
IP Address Range
. Complete the IP address range for the devices for which the
application or service must be blocked.
•
All IP Addresses
. The application or service is blocked for all IP addresses on your
network.
11.
Click the
Add
button.
Your changes are saved in the table on the Block Services screen. However, if you restart
the cable data gateway, the changes are lost. You also must apply the changes on the
Block Services screen.
12.
On the Block Services screen, click the
Apply
button.
Your settings are saved.