UFW (Uncomplicated Firewall) Basics
UFW (Uncomplicated Firewall) is a user-friendly front-end for managing iptables firewall rules on Linux systems. It simplifies the process of configuring a firewall by providing an easy-to-use command-line interface.
ufw enableufw default allow outgoingufw default deny incomingAllow SSH connections
Section titled “Allow SSH connections”ufw allow sshufw allow 22Show all rules:
ufw status verboseDelete a rule
Section titled “Delete a rule”Remove existing rule:
ufw delete allow 3002Disable UFW
Section titled “Disable UFW”ufw disable