Netopia R7200 - Manual (Page 158)

14-8 User’s Reference Guide
Port number comparisons
A filter can also use a comparison option to evaluate a packet’s source or destination por t number. The
comparison options are:
No Compare: No comparison of the por t number specified in the filter with the packet’s por t number.
Not Equal To: For the filter to match, the packet’s por t number cannot equal the por t number specified in the
filter.
Less Than: For the filter to match, the packet’s por t number must be less than the por t number specified in the
filter.
Less Than or Equal: For the filter to match, the packet’s por t 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 por t number must equal the por t number specified in the filter.
Greater Than: For the filter to match, the packet’s por t 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 por t 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
Internet service UDP port Internet service UDP port
Who Is 43 AppleTalk Routing
Maintenance (at-r tmp) 202
World Wide Web 80 AppleTalk Name Binding
(at-nbp) 202
SNMP 161 AURP (AppleTalk) 387
TFTP 69 who 513