Securing your server Running servers is a constant challenge and a public facing device will be hammered by bots trying to find a hole so securing such a device is a high priority task. Firewall Due to the immense popularity of using GNU/Linux for servers several firewalls have been developed over time. Most users know of ufw and the graphical tool gufw which uses iptables to control inbound and outbound traffic. Application firewalls Recently members of the forum has asked for application fi...