Category: system hardening

Embedded Firewalls ( Part 2)

In Part 1, I told a little bit of a story. We left the “stupid black boxes” era behind, looked at why embedded devices must have network-level protection, and then unpacked how and why Linux firewalls work with nftables, and why it’s a much cleaner, modern approach compared to the old iptables/xtables world.We also mapped […]