Avoiding Problems With Legitimate Users; Blocking A Port Permanently - Watchguard Firebox X1000 User Manual

Avoiding problems with legitimate users

It is possible for legitimate users to have problems because
of blocked ports. In particular, some clients might tempo-
rarily fail because of blocked ports.
You should be very careful about blocking port numbers
between 1000 through 1999, as these numbers are particu-
larly likely to be used as client ports.
Solaris uses ports greater than 32768 for clients.

Blocking a port permanently

From Policy Manager:
1
On the toolbar, click the Blocked Ports icon,
shown at right.
You can also select Setup = > Intrusion Prevention
Blocked Ports. The Blocked Ports dialog box appears, as shown
in the following figure.
2 In the text box to the left of the Add button, type the
port number. Click Add.
The new port number appears in the Blocked Ports list.
To remove a blocked port, select the port to remove. Click
Remove.
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Blocking Ports
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