If your MB Pro has an IP address in the 192.1.1.xxx range then your router is providing you a NAT barrier / firewall for safe separation from the badness out on the internet. You should not need to do anything else....
MacBook Pro - M2, Ventura 13.6 Safari Tech Prev 17.0 Safari 16.6 Firefox 116.0.2 iPhone 7 Version 15.8
