automate port forwarding change

Apologies if this is wrong forum. This is my first post. For my home automation, I am looking to send commands to my router from my home automation server (to enable/disable guest network on demand, or to open/close ports on demand). When searching forums, all I could find was MQTT publish...

Hi, I would like to automate let’s encrypt certificate renewal for my Synology Nas. The annoying bit is it requires forwarding port 80 from outside to 80 of the Nas which I normally don’t use for obvious security reasons :). So every 3 months I have to go in and change the port forward rule...