The BASIC Home page displays.
4.
Select ADVANCED > Security > Block Services.
The Block Services page displays.
5.
Specify when to block the services:
•
If you don't want to block services, select the Never radio button.
•
If you want to block services all the time, select the Always radio button.
•
If you want to block services based on a schedule, select the Per Schedule radio
button.
For information about how to specify the schedule, see Schedule When to Block
Internet Sites and Services on page 34.
6.
Click the Add button.
The Block Services Setup page displays.
7.
To add a service that is in the Service Type menu, select the application or service.
The settings for this service automatically display in the fields.
8.
To add a service or application that is not in the menu, select User Defined, and do
the following:
a.
If you know that the application uses either TCP or UDP, select the appropriate
protocol. Otherwise, select TCP/UDP (both) .
b. Enter the starting port and ending port numbers.
If the service uses a single port number, enter that number in both fields.
To find out which port numbers the service or application uses, you can contact
the publisher of the application, ask user groups or newsgroups, or search on
the Internet.
9.
Specify which devices on your LAN are affected by the rule, based on their IP
addresses:
•
Only This IP Address. Block services for a single computer.
•
IP Address Range. Block services for a range of computers with consecutive IP
addresses on your network.
•
All lP Addresses. Block services for all computers on your network.
10.
Click the Add button.
Your settings are saved.
User Manual33Control Access to the Internet
AC1750 WiFi Cable Modem Router
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