Iptable and port forwarding

Hello,

I have a routeur linksys (192.168.1.1 ) a firewall (192.168.1.55 IN ----> 192.168.2.254 OUT) which using iptable
I want to acces to an equipment (lorex video camera serveur 192.168.2.44) which using an ddns service on the port 9000

So i don t know which redirection a will do on the routeur and which rules put on iptable .

Could i have some help please !!!

If you turn off your firewall (iptables -F), are you able to see the camera?

Yes if i connecte directly the equipement to the routeur and do a redirection on the routeur for the port 9000 ofcourse it works