Manage firewall in BigSur or Monterey via terminal

Sure. Look at the tools in /usr/libexec/ApplicationFirewall

bgkitware wrote:

Is it possible to manage the firewall via command line in Monterey?

If so what is the best way to do this?

Why Terminal ...Are you having an issue...?

If you are on your own private Network, your Router provides the firewall.

About the application firewall - Apple Support

Block connections to your Mac with a firewall - Apple Support

https://www.titania.com/resources/guides/firewall-management/