Comodo Free Firewall Alternatives for Linux
Comodo Free Firewall is not available for Linux but there are some alternatives that runs on Linux with similar functionality. The most popular Linux alternative is 
Gufw, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Comodo Free Firewall and six of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Comodo Free Firewall are 
OpenSnitch (Free, Open Source), 
Firestarter (Free, Open Source), 
netfilter (Free, Open Source) and 
Guarddog (Free, Open Source).
- Gufw is an easy, intuitive way to manage your Linux firewall. View 23 alternatives to Gufw
- OpenSnitch is a GNU/Linux port of the Little Snitch application firewall. View 18 alternatives to OpenSnitch
- Firestarter is an Open Source visual firewall program. View 16 alternatives to Firestarter
- Netfilter software comprises iptables, ipset, conntrack-tools, libnetfilter and more. It is the core of Linux firewalls and NAT. View 6 alternatives to netfilter
- Guarddog is a firewall configuration utility for Linux systems. Guarddog is aimed at two groups of users. View 16 alternatives to Guarddog
- With InJoy Firewall™ 4.0 you can say good-bye to old-generation Firewall solutions that were difficult to implement, manage and measure — InJoy Firewall™ is different... View 23 alternatives to InJoy Firewall