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N600 and AC750 WiFi DSL Modem Routers
6.
In the Keyword Blocking section, specify how the modem router applies keyword blocking:
Per Schedule
. The modem router applies keyword blocking 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 keyword blocking continuously.
7.
In the
Type keyword or domain name here
field, enter a keyword or domain.
Here are some sample entries:
Specify .com if you want to allow only sites with domain suffixes such as .edu or .gov.
Enter a period (
.
) to block all Internet browsing access.
8.
Click the
Add Keyword
button.
The keyword or domain is added to the
Block sites containing these keywords or
domain names
field (which is also referred to as the blocked list).
9.
To add more keywords or domains, repeat
Step
7
and
Step
8
.
The keyword list supports up to 32 entries.
10.
Click the
Apply
button.
Your settings are saved.
Remove a Keyword or Domain from the Blocked List
If you no longer need a keyword or domain on the blocked list, you can remove the keyword
or domain.
To remove a keyword or domain from the blocked list:
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 Sites
.
The Block Sites screen displays.
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N600 and AC750 WiFi DSL Modem Routers
6.
In the
Block sites containing these keywords or domain names
field, select the
keyword or domain that you want to remove.
7.
Click the
Delete Keyword
button.
The keyword or domain is removed from the blocked list.
8.
Click the
Apply
button.
Your settings are saved.
Remove All Keywords and Domains from the Blocked List
You can simultaneously remove all keywords and domains from the blocked list.
To remove all keywords and domains from the blocked list:
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 Sites
.
The Block Sites screen displays.
6.
Click the
Clear List
button.
All keywords and domains are removed from the blocked list.
7.
Click the
Apply
button.
Your settings are saved.
Specify a Trusted Computer
You can exempt one trusted device from blocking and logging. The device that you exempt
must be assigned a fixed (static) IP address.
To specify a trusted device:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login screen displays.
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N600 and AC750 WiFi DSL Modem Routers
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 Sites
.
6.
Scroll down and select the
Allow trusted IP address to visit blocked sites
check box.
7.
In the
Trusted IP Address
field, enter the IP address of the trusted device.
The first three octets of the IP address are automatically populated and depend on the IP
address that is assigned to the modem router on the LAN Setup screen.
8.
Click the
Apply
button.
Your settings are saved.
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N600 and AC750 WiFi DSL Modem Routers
Manage Simple Outbound Firewall Rules for Services and
Applications
A firewall protects one network (the trusted network, such as your LAN) from another (the
untrusted network, such as the Internet), while allowing communication between the two.
The modem router provides one default
outbound
firewall rule: It allows all access to the
Internet (that is, the WAN). You can add simple rules to prevent access to specific services
and applications on the Internet. In addition, you can specify if a rule applies to one user, a
range of users, or all users on your LAN.
The modem router lists many default services and applications that you can use in outbound
rules. You can also add an outbound firewall rule for a custom service or application.
For information about blocking specific keywords, URLs, or sites, see
Use Keywords to Block
Internet Sites
on page
85. This type of blocking is another aspect of the outbound firewall.
For information about
inbound
firewall rules, see
Manage Port Forwarding and
Port
Triggering
on page
172.
Note:
Service blocking means the same as applying outbound firewall rules.
Add an Outbound Firewall Rule
You can add an outbound firewall rule to prevent access to a specific service or application
on the Internet.
To add 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
.
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N600 and AC750 WiFi DSL Modem Routers
6.
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.
7.
Below the Service Table, click the
Add
button.
8.
From the
Service Type
menu, select service or application to be covered by this rule.
If the service or application does not display in the list, you can add it (see
Add an
Outbound Firewall Rule for a Custom Service or Application
on page
91).

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