


Ease of use : Depending on your technical expertise, you need a solution that marries rich functionality with ease of use.Some key features to look for in a Linux firewall solution are: A good rule of thumb is to use the first one for solo deployments, while the latter is more suited to enterprise use cases.Īlso Read: What Is a Firewall? Definition, Key Components, and Best Practices Key Must-Have Features for Linux Firewall Solutions These solutions usually include network management capabilities like traffic routing or monitoring reports to enable a 360-degree network management landscape.īoth types of Linux firewall solutions can coexist in the same organization. They come within a secure, hardened OS that you can install in a shell of your choice – a bare metal appliance, a public cloud environment, or a private, virtualized shell.

These are comprehensive firewall solutions (services and the configuration interface) that exist independent of Netfilter, iptables, etc. The utility lets you configure these zones further, set up custom zones, and enforce more granular policies as per your needs. The pre-built firewall will already impose some default firewall zones, like a trusted zone, a demilitarized zone, or a block zone. You could configure these manually or install an additional utility that reveals the service’s full functionalities, simplified configurations and enables point-and-click setup. Linux firewall utilities sit on top of pre-built firewall services such as Netfilter, UFW, FirewallD, iptables, etc. Therefore, you can have two types of Linux firewall: 1. Most Linux distributions, including Debian, Ubuntu, CentOS, etc., ship with pre-built firewall services of their own (much like Microsoft Windows has Windows Defender firewall turned on by default).
