Billion Electric Company BiPAC 5210S - Manual (Page 40)

4.3 Advanced Setup
4.3.1 Firewall
Your router includes a firewall for controlling Internet access from your LAN and helping to
prevent attacks from hackers. In addition to this, when using NAT (Network Address
Translation) the router acts as a “natural” Internet firewall, since all PCs on your LAN use
private IP addresses that cannot be directly accessed from the Internet.
Firewall: Enabled: As set in default setting, it activates your firewall function.
Disabled:, it disables the firewall function.
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