ufw in Linux

UFW (Uncomplicated Firewall) is a Linux utility that runs on top of iptables used to manage Netfilter and managing the firewall. We look at ufw in Ubuntu and how to manage the firewall.

Table of contents.Introduction.Installation.Enabling and disabling ufw.Allowing and denying connections.Port management.Deleting ufw rules.Applications.IP masquerading.Firewall logs.Summary.References.Prerequisites.

iptables.

Introduction.

A firewall is what is stands between the computer system and...