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Control Access to the Internet
131
AC1600 WiFi VDSL/ADSL Modem Router Model D6400
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.
Y
our settings are saved.
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 127. This type of blocking is another aspect of the outbound firewall.