How to find out which IP the computer is currently connected to and block them?

Question

Computer networks

Good day, comrades, there was such a question. Some programs connect to servers to synchronize files in the cloud for updates. It is necessary to track this connection, find out to which address this case connects and block these addresses, I know that a firewall can help in this matter, but I don’t know which one to install. And is it possible to somehow perform these operations using the command line? The last option is the most interesting.

Answer 1

netstat -v -b -a

Answer 2

Comodo Firewall will help you.

Answer 3

interesting software that can display connection information in a more readable form, and if it also shows geolocations, it will not be priced

Answer 4

CurrPorts also helped. Shows all open sockets and allows you to close them if necessary. A kind of network Task Manager