One of the most common things I do on Linux machines is open ports to test software in a development environment. In the past, that meant trying to remember (and Googling) cryptic iptables commands. Now, CentOS 7 and Red Hat 7 include the nicer firewall-cmd tool to configure the firewall.
Archives For firewall
Whether you’re the admin of your office network or your home network (or both), it’s always a good idea to have security and order in place. Untangle is software that you can install as the operating system on a machine. They have lite versions of their apps which are free of charge and quite useful!