Problem with Port Forwarding to my private Servers TP-Link

Hi i am owner of clash of rafael sorry of server offline so i bought a new router Archer C6 it have weird interface so i followed all steps i open forward with local ip nat forwarding virtual servers internet and external port 9339 and protocol all.If i check with yougetsignal pssh is closed port.Is that wrong.
All methods i try to fix public server problem
Restarting Router
Re-add the port forwarding
Reset the firewall settings and allow private server
Reinstall private server applications.
I try but nothing cannot be fixed if you have same problem please resolve this , thanks.