Some useful articles for configuring the #iptables #firewall on #linux — specifically #AlpineLinux using #awall:
https://www.cyberciti.biz/faq/how-to-set-up-a-firewall-with-awall-on-alpine-linux/
https://wiki.alpinelinux.org/wiki/Zero-To-Awall
https://www.zsiegel.com/2022/01/13/configuring-alpine-linux-firewall-with-docker