DistroWatch.com: Put the fun back into computing. Use Linux, BSD.IPFire is a Linux-based operating system for firewalls. The project focuses on easy set-up and configuration. The project's latest release introduces an extra layer of protection against denial-of-service (DoS) attacks. "Since IPFire is very commonly deployed in data centres where denial-of-service attacks happen on a regular basis, we now have added better protection against those kinds of attack
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