Yes, you need a firewall on Linux - here's why and which to use
JuSun/Getty ZDNET's key takeaways Linux is highly secure, but you should still have a firewall. You should know if your ISP's hardware (gateway) uses a firewall. One of the easiest Linux firewalls is UFW and its GUI sidekick, GUFW. I've been using Linux for nearly 30 years. Over those years, I've experienced only one security issue (a rootkit on a server I inherited). The reason for that is Linux's heightened security. Out of the box, it includes a tight permissions system and security mech