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Tag: firewall configuration

What are the key network protocols used in 2026 and how are they categorized across OSI layers?

Network protocols are essential for managing communication between devices in any IT infrastructure. This guide explains the most important network protocols categorized by OSI model layers—Application, Transport, Net...

A Practical Guide to Windows Firewall | Configuring Inbound and Outbound Rules with Real-Time Testing

Windows Firewall is a crucial security feature that controls network traffic using Inbound and Outbound rules. This guide covers how to configure firewall rules, block or allow network traffic, and verify whether the ...

Advanced Linux Firewall Security | Configuring iptables and firewalld for Maximum Protection

Linux firewalls play a crucial role in protecting servers and networks from cyber threats. Two of the most widely used firewall management tools in Linux are iptables and firewalld. While iptables provides advanced, r...

How to Secure a Kali Linux Server Again st Attacks | The Complete Guide

Securing a Kali Linux server is critical to preventing unauthorized access and ensuring the safety of sensitive data. Essential security measures include regular system updates, configuring a strong firewall, disablin...

How Can You Secure a Linux Server? The Complete Guide

Securing a Linux server involves multiple layers of protection, from regular updates and firewalls to disabling root access and using SSH key-based authentication. Additional steps include implementing intrusion detec...

[2026] Linux System Admin Interview Questions on Security Practices

Prepare for your Linux system admin interview with our comprehensive guide on security practices. Explore key interview questions covering essential topics such as firewall configuration, SSH security, SELinux, and mo...