How to Block a Port Using a Firewall in Linux | Linux Today
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How to Block a Port Using a Firewall in Linux

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LinuxShellTips
Feb 23, 2021

A firewall is either a software-based or, in some cases, a hardware-based security system for networks. It automatically monitors traffic inflow and outflow on the system and blocks certain kinds of data flow based on rules, which are pre-configured.
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