api call bug:

[ouyoung33]

api call bug: When I manually create dnat,Nat will default "filter rule association" to "rule nat" to implement forwarding and connect to my internal machine; But when I create a dnat rule using the api, the "filter rule association" is "pass" but no forwarding is actually implemented, and I can't connect to my internal machine through dnat

[jaredhendrickson13]

Duplicate of issue #533