LevelOne FBR-1461 - Manual (Page 62)

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Note:
When using Virtual Servers (port mapping) your PCs are exposed to the ports specified
opened in your firewall packet filter settings.

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 Filter, Intrusion detection, Block WAN PING and URL Filter.