159Firewall Tutorial• Less Than: For the filter to match, the packet’s port number must be less than the portnumber specified in the filter.• Less Than or Equal: For the filter to match, the packet’s port number must be lessthan or equal to the port number specified in the filter.• Equal: For the filter to match, the packet’s port number must equal the port numberspecified in the filter.• Greater Than: For the filter to match, the packet’s port number must be greater thanthe port number specified in the filter.• Greater Than or Equal: For the filter to match, the packet’s port number must begreater than or equal to the port number specified in the filter.Other filter attributesThere 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 forward packets or to block (discard) packetsPutting the parts togetherWhen 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 thetable.
