Planet XRT-101A, Руководство пользователя

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Internet Sharing Gateway User Guide
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Figure 27: Filters Screen
These screens allow you to define packet filters, to determine which ports can be blocked.
(You can not define ports which are allowed. Ports not blocked are allowed.)
Once defined, a filter may be used with any Group.
Data - Filters
Name Enter a descriptive name for this filter.
Port No. Enter an integer representing the Port Number for this type of packet. This
information can normally be provided by the service provider. Otherwise, a
Network Analyzer or Packet Sniffer can be used to determine the correct port
number.