CTparental is a free and open-source parental control tool used to control computer usage or internet browsing. It comes with a simple and easy-to-use web interface powered by a Lighttpd web server. The idea of CTparental tool comes from other tools such as, iptables, dnsmasq, and inguardian privoxy.
Project Calico is a new approach to virtual networking and network security for containers, VMs, and bare metal services, that provides a rich set of security enforcement capabilities running on top of a highly scalable and efficient virtual network fabric.