User Manual

Table Of Contents
Nighthawk AC1900 WiFi Cable Modem Router
Control Access to the Internet User Manual37
To block the 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 38.
6. Click the Ad
d button.
7. To add a service that is in the Service Type list, select the application or service.
The settings for this service automatically display in the fields.
8. T
o add a service or application that is not the list, select User Defined.
a. I
f you know that the application uses either TCP or UDP, select the appropriate
protocol; otherwise, select TCP/UDP (both).
b. Ent
er 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 ap
plication uses, you can contact the
publisher of the application, ask user groups or newsgroups, or search on the
Internet.
9. T
o specify how to filter the services, select one of the following radio buttons:
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 se
rvices for all computers on your network.
10. Click the Ad
d button.
Your changes are saved.