Billion BiPAC 6200WZL R2 User Manual page 110

Firewall Security and Policy (General Settings): Inbound direction of Packet Filter rules prevent
unauthorized computers or applications accessing your local network from the Internet.
Intrusion Detection: Enable Intrusion Detection to detect, prevent, and log malicious attacks.
MAC Filter rules: Prevents unauthorized computers accessing the Internet.
URL Filter: Blocks PCs on your local network from unwanted websites.
A detailed explanation of each of the following five items appears in the Firewall section below:
Packet Filter, MAC Address Filter, Intrusion detection, Block WAN PING and URL Filter.
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