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Advanced Setup
5.5.2
Firewall Port Filters
A Firewall filter is a rule that determines how the Firewall should handle
packets being transported on a policy between two security interfaces. You
can create separate filter rules based on:
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•
•
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Whichever type of filter rule you use, you must also determine which
direction packets should be allowed to travel in:
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To manage Firewall filters, click on the link Configure Port Filters (in the
Firewall Configuration part of the Security page). The following window is
displayed:
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The protocol type of the traffic allowed to be transported.
Which TCP/UDP port numbers the packets are allowed to be
transported on.
The name of the well-known protocol, service or application allowed to
be transported.
Source and destination addresses.
In; permitted traffic is transported from the outside interface to the
inside interface.
Out; permitted traffic is transported from the inside interface to the
outside interface.
1553-ZAT 759 95 Uen C – June 2005
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