What do the Personal Firewall log symbols mean?

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What do the Personal Firewall log symbols mean?

Firewall

A packet (information transmitted across a network) was identified as part of an attack and blocked trying to pass the Personal Firewall.

Cloaking

An unauthorized individual tried to connect to your computer (probably using a packet sniffer or other tool). This request was rejected and your computer remains hidden from other computers.

Trojan horse

A Trojan horse program (e.g., Back Orifice) attempted to access a computer port that matched a port listed in the Trojan database. Traffic trying to access this computer port was blocked.