4. Select ADVANCED > Security > Block Sites.
5. Scroll down and select the Allow trusted IP address to visit blocked sites check box.
6. 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 page.
7. Click the Apply button.
Your settings are saved.
Manage Simple Outbound Firewall Rules for Services and
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.
Control Access to the Internet
Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800
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