Do I Need A Firewall in Linux

First published at 21:43 UTC on May 12th, 2020.
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Discussing when a firewall is needed in Linux and I show how to check what services you have open on your system. I also give a quick explanation about computer networking protocols ICMP, TCP, and UDP.

Checking services:
$ ss -nltup

Scanning Syste…

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CategoryScience & Technology
SensitivityNormal - Content that is suitable for ages 16 and over
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