UFW Essentials: Common Firewall Rules and Commands for Linux Security

Описание: In this video, we explore UFW (Uncomplicated Firewall) — a simple yet powerful tool to manage firewall rules in Linux. Whether you’re a beginner or a system administrator, learning UFW is essential to protect your server from unauthorized access and network attacks.

🔐 What You’ll Learn:
• What UFW is and why it’s important for Linux security
• How to enable, disable, and check UFW status
• How to allow and deny specific ports and services (like SSH, HTTP, HTTPS)
• How to set default policies for inbound and outbound traffic
• How to limit SSH connections and prevent brute-force attempts
• How to configure UFW logging and reset rules
• Common UFW troubleshooting commands and tips

✅ Example Commands Covered:
sudo ufw enable
sudo ufw allow ssh
sudo ufw deny 23
sudo ufw status numbered
sudo ufw delete 1

📘 Perfect For:
• Linux beginners learning system security
• DevOps and IT professionals hardening Ubuntu or Debian servers
• Ethical hackers building secure lab environments

⚠️ Tip: Always test firewall rules in a lab before applying them to production systems. Misconfigurations can block remote access!

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