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Equal: For the filter to match, the packet’s port number must equal the port number specified in the filter.
Greater Than: For the filter to match, the packet’s port number must be greater than the port number specified
in the filter.
Greater Than or Equal: For the filter to match, the packet’s port number must be greater than or equal to the
port number specified in the filter.
Other filter attributes
There are three other attributes to each filter:
■ The filter’s order (i.e., priority) in the filter set
■ Whether the filter is currently active
■ Whether the filter is set to pass (forward) packets or to block (discard) packets
Putting the parts together
When you display a filter set, its filters are displayed as rows in a table:
The table’s columns correspond to each filter’s attributes:
#: The filter’s priority in the set. Filter number 1, with the highest priority, is first in the table.
Source IP Addr: The packet source IP address to match.
Dest IP Addr: The packet destination IP address to match.
+-#---Source IP Addr---Dest IP Addr-----Proto-Src.Port-D.Port--On?-Fwd-+
+----------------------------------------------------------------------+
| 1 192.211.211.17 0.0.0.0 TCP 0 23 Yes No |
| 2 0.0.0.0 0.0.0.0 TCP NC =6000 Yes No |
| 3 0.0.0.0 0.0.0.0 ICMP -- -- Yes Yes |
| 4 0.0.0.0 0.0.0.0 TCP NC >1023 Yes Yes |
| 5 0.0.0.0 0.0.0.0 UDP NC >1023 Yes Yes |
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