Secure Kali Linux— Change Passwords, Create Non-Root User & UFW Firewall | Kali Hardening Tutorial
Secure Kali Linux step-by-step — learn how to harden your Kali install by changing default credentials, creating a non-root user with sudo, regenerating SSH host keys, configuring a basic UFW firewall, and keeping the system updated. This beginner-friendly guide is perfect for students, ethical hackers, and system admins who want a safer Kali Linux lab.
This video covers: Kali Linux security basics, why you should harden Kali, changing default passwords, updating SSH host keys, creating a non-root sudo user, configuring UFW (Uncomplicated Firewall), and update/upgrade best practices. Everything shown is intended for defensive, ethical, and educational use only — don’t use these techniques on systems you don’t own or have explicit permission to test.
Why watch: Improve your Kali Linux security posture, reduce the risk of compromise while pentesting, and follow practical hardening steps you can apply in VMs, cloud instances, or physical installs.
Timestamps
0:00 Hook — Why secure your Kali?
0:22 Video Topics (What we’ll cover)
0:58 Section 1 — Why secure Kali Linux & risks
2:10 Section 2 — Regenerate SSH host keys (dpkg-reconfigure openssh-server)
3:30 Section 3 — Add user to sudo group & test sudo
4:52 Section 4 — Install & configure UFW (default deny incoming, allow outgoing)
5:35 Section 4 — Allow SSH, HTTP, block IPs (ufw allow/deny examples)
7:15 Section 5 — Update/upgrade & dist-upgrade (apt update/upgrade/dist-upgrade)
7:50 Section 5 — Troubleshooting tips (SSH, UFW, apt, root vs non-root)
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