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.
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5 reasons you need a hardware firewall
The increasing complexity of cyberattacks and the ease of automation means you should always have a well-configured firewall on your computer. That helps to filter unwanted traffic before it gets onto ...
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