Tag: debian

How to Join a Debian Linux System to an Active Directory (AD) Domain

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What is an Active Directory (AD) Domain Linux System?

An Active Directory (AD) domain is a database of user, computer, and network resources that is used to manage access to network resources. In a Windows network, the AD domain is used to authenticate users and authorize access to network resources.

On a Debian Linux system, you can join an AD domain to allow users to log in to the Linux system using their AD credentials and to manage access to Linux resources with AD group policies. To join an AD domain on a Debian system, you will need to install and configure the realmd and sssd packages.

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How to Check Firewall Status in Debian Linux

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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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