Netopia 2200 - Manual (Page 159)

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Firewall Tutorial
• Less Than: For the filter to match, the packet’s port number must be less than the port
number specified in the filter.
• Less Than or Equal: For the filter to match, the packet’s port number must be less
than or equal to the por t number specified in the filter.
• 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 por t 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 por t 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 for ward 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.