Norton Security blocking Port 7000 (Pop Up Message) on Mac

I have connected the Netgear Orbi WiFi 6 Router and satellite in my house. One of the satellites is in the room where my laptop is. I have wired the internet connection from the Orbi Satellite into my Belkin Dock for connecting into the MacBook Pro 16" (2019 Model). 

The internet speed has increased significantly post the Orbi and wired connection into my laptop via the Belkin Dock. Now the Orton constantly gives me the following message for Port 7000 (unknown) and IP Address  192.168.1.15.

    "The Computer "192.168.1.21" is attempting to access Control Center on your computer. Do you want to allow this connection?"

This message pops up after every 5 minutes and is extremely annoying. I have tried going into the Connection Blocking Options within Firewall but am unable to find the right solution. 

Would be obliged if anyone can provide help keeping in mind that this is a MacBook.