LAN to LAN firewall configuration for a PLC - rut241

Good morning:
I’ve been trying to connect to a PLC between the two ports of the rut241, both configured as LAN ports. In this i have succeeded, but now i’m trying to use the router as a firewall device to let my PC to only be able to see the IP of my PLC and nothing more. For this, i’ve tried using the configuration of the firewall zones, NAT rules, and traffic rules, but all my efforts has been futile. Could you please help me on how could it be done? What am i missing?
Regards.

Greetings,

Apologies for the delay. I wanted to follow up and ask whether you’ve found a solution to your inquiry.

If not, could you please share a simple network topology of your setup (including the IP addresses of the devices involved) and any additional details or screenshots of where changes were made in the firewall settings?

Best regards,

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