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Control Access to the Internet
91
N600 and AC750 WiFi DSL Modem Routers
9.
Specify which devices on your LAN (or LAN users) are affected by the rule, based on their
IP address:
Only This IP Address
. Enter the required address in the
Start
field to apply the rule
to a single device on your LAN.
IP Address Range
. Enter the required addresses in the
Start
and
End
fields to apply
the rule to a range of devices.
All IP Addresses
. All computers and devices on your LAN are covered by this rule.
By default, the
All IP Addresses
radio button is selected.
10.
Click the
Add
button.
The new rule is added to the Service Table on the Block Services screen.
Add an Outbound Firewall Rule for a Custom Service or
Application
The modem router lists many default services and applications that you can use in outbound
rules. If the service or application is not predefined, you specify a custom service or
application in an outbound rule.
To add an outbound firewall custom for a custom service or application:
1.
Find out which protocol and port number or range of numbers the service or application
uses.
You can usually find this information by contacting the publisher of the service or
application or through online user or news groups.
2.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
3.
Type
.
A login screen displays.
4.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
5.
Click the
OK
button.
The BASIC Home screen displays.
6.
Select
ADVANCED > Security > Block Services
.
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N600 and AC750 WiFi DSL Modem Routers
7.
If this is the first time that you add an outbound firewall rule, in the Service Blocking section,
specify how the modem router applies outbound rules:
Per Schedule
. The modem router applies outbound rules according to a schedule that
you set.
For more information, see
Set Up a Schedule for Keyword Blocking and Outbound
Firewall Rules
on page
95.
Always
. The modem router applies outbound rules continuously.
8.
Below the Service Table, click the
Add
button.
9.
From the
Service Type
menu, select
User Defined
.
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N600 and AC750 WiFi DSL Modem Routers
10.
Specify a new outbound rule as described in the following table.
Field
Description
Protocol
Select the protocol (
TCP
or
UDP
) that is associated with the service or
application. If you are unsure, select
TCP/UDP
.
Starting Port
Enter the start port for the service or application.
Ending Port
If the service or application uses a range of ports, enter the end port for the
range. If the service or application uses a single port, repeat the port number
that you entered in the
Starting Port
field.
Service Type/User Defined
Enter the name of the custom service or application.
11.
Specify which devices on your LAN (or LAN users) are affected by the rule, based on their
IP address:
Only This IP Address
. Enter the required address in the
Start
field to apply the rule
to a single device on your LAN.
IP Address Range
. Enter the required addresses in the
Start
and
End
fields to apply
the rule to a range of devices.
All IP Addresses
. All computers and devices on your LAN are covered by this rule.
By default, the
All IP Addresses
radio button is selected.
12.
Click the
Add
button.
The new rule is added to the Service Table on the Block Services screen.
Change an Outbound Firewall Rule
You can change an existing outbound firewall rule.
To change an outbound firewall rule:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
4.
Click the
OK
button.
The BASIC Home screen displays.
5.
Select
ADVANCED > Security > Block Services
.
The following figure shows two rules in the Service Table.
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Control Access to the Internet
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N600 and AC750 WiFi DSL Modem Routers
6.
In the Service Table, select the radio button for the rule.
7.
Click the
Edit
button.
The Block Services Setup screen displays.
8.
Change the settings.
For more information about the settings, see
Add an Outbound Firewall Rule for a
Custom Service or Application
on page
91.
9.
Click the
Accept
button.
Your settings are saved. The changed rule displays in the Service Table on the Block
Services screen.
Remove an Outbound Firewall Rule
You can remove an outbound firewall rule that you no longer need.
To remove an outbound firewall rule:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
4.
Click the
OK
button.
The BASIC Home screen displays.
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N600 and AC750 WiFi DSL Modem Routers
5.
Select
ADVANCED > Security > Block Services
.
The following figure shows two rules in the Service Table.
6.
In the Service Table, select the radio button for the rule.
7.
Click the
Delete
button.
The rule is removed from the Service Table.
Set Up a Schedule for Keyword Blocking and Outbound
Firewall Rules
You can set up a schedule that you can apply to keyword blocking (see
Use Keywords to
Block Internet Sites
on page
85) and outbound firewall rules (see
Manage Simple Outbound
Firewall Rules for Services and Applications
on page
89).
If applied, the schedule specifies the days and time that keyword blocking, outbound firewall
rules, or both are active.
By default, no schedule is set and you can either enable or disable these features.
To set up a schedule for blocking:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
3.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.

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