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Chapter 7
4. Click
View Existing Applications
populate the appropriate port number in the
the service is not listed, enter the External Port number (e.g. 21) or a range of ports
(e.g. 21-25). Leave the Internal Port blank if it is the same as the External Port or enter
a specific port number (e.g. 21) if the External Port is a single port. The following
picture takes application
to select a service from the list to automatically
External Port
FTP
as an example.
NAT Forwarding
and
Internal Port
fields. If
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