Firewalls screen data coming in and out of computer networks, blocking unauthorized access and halting traffic from unsafe Internet sources. A firewall is a barrier between you and the internet. UFW is is uncomplicated firewall for Ubuntu and Debian based server. It is used for managing a Linux firewall and aims to provide an easy to use interface for the user.
In this tutorial you will learn how to use UFW a front end to iptables for managing firewall on Ubuntu Linux 16.04 LTS server to restrict traffic on my personal web-server that hosts my pictures and blogs for my family members.
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