Billion BiPAC 6200NXL, User Manual

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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.