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![Using Firewall With UFW in Ubuntu Linux [Beginner's Guide]](https://itsfoss.com/content/images/wordpress/2019/03/ufw_ports.png?fit=800%2C443&ssl=1 "Using Firewall With UFW in Ubuntu Linux [Beginner's Guide]")
Using Firewall With UFW in Ubuntu Linux [Beginner's Guide]
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Linux Firewalls: Uncomplicated Firewall (ufw)
