Alpine Wall (Awall) is an easy to use interface to iptables for Alpine Linux users. While iptables and ip6tables is an excellent command, it can be challenging for new Alpine Linux users. The awall tool has easy to follow high-level concepts such as zones, limits, policies, and a single source for both IPv4 and IPv6. This tutorial will show you how to set up a firewall with Awall on Alpine Linux.
[continue reading…]

I would like to tell my BSD based PF firewall to flush out the current configuration every 2 minutes. This will help me, when I’m testing a new rules and configuration options. [donotprint]
Tutorial details
Difficulty level Easy
Root privileges Yes
Requirements *BSD+pf
Est. reading time 1m
[/donotprint]Some time I find myself locked out of my own remote server. How do I reset PF firewall automatically without issuing hard reboot?
[continue reading…]