You have defined the RDP services port as TCP/3189 (and UDP/3189). Is the server really listening on the port 3189? The default port is TCP/3389
You have allowed the traffic to the NAT IP address. In the software levels 8.3 (and above) you will always allow the traffic to the real/local IP address, never to the NAT IP address. This is because of the NAT changes introduced in the new software levels.
So I would suggest the following options depending if the above port used was a typo/mistake or not
Login to the FXOS chassis manager.
Direct your browser to https://hostname/, and log-in using the user-name and password.
Go to Help > About and check the current version:
Check the current version availa...
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...