Skip to main content

Lab 9.3 - Firewall

Objectives​

  • Configure ufw
  • Manage rules
  • Test the firewall

Exercise 1: ufw​

# Voir le statut
sudo ufw status

# Activer
sudo ufw enable

# Autoriser SSH (important avant d'activer!)
sudo ufw allow ssh
sudo ufw allow 22/tcp

# Autoriser HTTP/HTTPS
sudo ufw allow 80/tcp
sudo ufw allow 443/tcp

Lab created on: December 2024 - Tested on Ubuntu 24.04