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Tag: how to check firewall status in debian

How to Check Firewall Status in Debian Linux

Posted on December 20, 2022December 23, 2022 By oarsman No Comments on How to Check Firewall Status in Debian Linux

What is a Linux Firewall and How Does It Work?

A Linux firewall is a security system that controls the incoming and outgoing network traffic based on predetermined rules. It is designed to protect a Linux system from unauthorized access or attacks from the Internet or other networks.

The Linux firewall works by evaluating incoming and outgoing network traffic against a set of rules. These rules can specify which types of traffic are allowed or denied, based on factors such as the source or destination IP address, port number, or protocol. When a packet of network traffic arrives at the firewall, it compares the packet against the rules and either allows or denies it based on the results of the evaluation.

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