Quick Answer: What Is the Default Firewall on Ubuntu?

The default firewall configuration tool for Ubuntu is ufw. Developed to ease iptables firewall configuration, ufw provides a user-friendly way to create an IPv4 or IPv6 host-based firewall.

Does Ubuntu have a firewall by default?

A properly configured firewall is one of the most important aspects of the overall system security. By default Ubuntu comes with a firewall configuration tool called UFW (Uncomplicated Firewall).

What is firewall in Ubuntu?

Ubuntu ships with a firewall configuration tool called UFW (Uncomplicated Firewall). UFW is a user-friendly front-end for managing iptables firewall rules and its main goal is to make managing firewall rules easier or as the name says uncomplicated. It is highly recommended to keep the firewall enabled.