In my previous article, we learned the installation of Shorewall, configuration file setup, and the configuration of port forwarding over NAT. In this article, we will delve into common errors associated with Shorewall, provide solutions,…
Setting up a firewall in Linux can be very daunting for a newbie, or someone not very familiar with iptables. Luckily, there is a very easy-to-use solution in Shorewall. In this multi-part tutorial, I am…
Net-filter as we all know it’s a firewall in Linux. Firewalld is a dynamic daemon to manage firewalls with support for network zones. In the earlier version, RHEL & CentOS 6 we have been using…