Netopia Router PN Series Reference Manual page 153

Internet service
Who Is
World Wide Web
SNMP
TFTP
UDP port Internet service
43 AppleTalk Routing
Maintenance (at-rtmp)
80 AppleTalk Name Binding
(at-nbp)
161 AURP (AppleTalk)
69 who
Port number comparisons
A filter can also use a comparison option to evaluate a packet's
source or destination port number. The comparison options are:
No Compare: No comparison of the port number specified in the
filter with the packet's port number.
Not Equal To: For the filter to match, the packet's port number
cannot equal the port number specified in the filter.
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 port 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 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.
Security 7-11
UDP port
202
202
387
513