Nokia IP60 User Manual page 298

SmartDefense Categories
This provides a second layer of protection against FTP bounce attacks, by preventing such attacks from
reaching well-known ports.
Table 76: Block Known Ports Fields
In this field... Do this...
Action Specify what action to take when the FTP server attempts to connect to a
well-known port, by selecting one of the following:
Block. Block the connection.
None. No action. This is the default.
298 Nokia IP60 Security Appliance User Guide