Watchguard Firebox SOHO 6 Wireless, Руководство пользователя

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User Guide 153
The ZoneAlarm Personal Firewall
• When a single Phase 1 SA to a gateway protects multiple
Phase 2 SAs, there is a single Phase 1 connection with the SA
icon and individual Phase 2 connections with the key icon
displayed above that entry.
The ZoneAlarm Personal Firewall
A personal firewall is a barrier between your computer and the
outside world. The computer is most vulnerable at its doors, called
ports. Without ports, no connection to the Internet is possible.
ZoneAlarm protects these ports by following a simple rule: Block
all incoming and outgoing traffic unless you explicitly allow it for
trusted programs.
When using ZoneAlarm, you often see Program Alert dialog boxes
similar to the image below.
This alert appears whenever one of your programs attempts to
access the Internet or your local network. This powerful feature