Sensitive open network services: Port 80

[KRay 0]

I received the following message, do I need to close port 80 or how to solve it? Thanks.

Sensitive open network services
Your router runs sensitive network services that may be exploited by others. This can be due to poor configuration or a compromised router. Check your router's configuration.

Port: 80

IP Address: 192.168.1.1

OS: Mac

Edited September 27, 2019 by KRay