The Uncomplicated Firewall ( ufw) is a frontend for iptables and is particularly well-suited for host-based firewalls. As a result, many frontends for iptables have been created over the years, each trying to achieve a different result and targeting a different audience.
.jpg "ufw bird")
iptables provide a complete firewall solution that is both highly configurable and highly flexible.īecoming proficient in iptables takes time, and getting started with netfilter firewalling using only iptables can be a daunting task. The Linux kernel in Ubuntu provides a packet filtering system called netfilter, and the traditional interface for manipulating netfilter are the iptables suite of commands. Available Versions in supported versions of Ubuntu.
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