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!
The first thing on your mind when setting up a new Linux server (dedicated or VPS) is how you can increase security. One of the best tools in your bag of tricks should be the CSF (ConfigServer) LFD (Login Failure Daemon) firewall. Continue Reading…
