Westermo MRD-3x0 - Manual (Page 96)

96 6623-3201
Source port or range
If selected, packets will be matched based on their TCP or
UDP source port. Either an individual port (for example, 443)
or a range of ports (80-143) can be entered.
Destination address
Similar to the Source address, but instead matching on the
destination address.
Destination port or range
Similar to the Source port or range, but instead matching on
the destination port.
Target address
This is the address that the NAT rule will apply to packets.
When set to Custom, any IP address can be entered in the
text box. If an interface is selected from the dropdown box,
the current address of that interface will be applied to packets.
Target port
For rules that specify either the TCP or UDP protocol, it is
possible to also alter the port number. If no change of port
number is desired, this field can be left blank.
Insert this entry at position
Determines where this entry will be inserted in the list of
custom NAT rules.