iftop is a Linux command line tool to list network connections. https://www.tecmint.com/iftop-linux-network-bandwidth-monitoring-tool/ https://www.tecmint.com/

iftop is a Linux command line tool to list network connections. https://www.tecmint.com/iftop-linux-network-bandwidth-monitoring-tool/ https://www.tecmint.com/iftop-linux-network-bandwidth-monito... Of course it has no firewall.