openwrt

Building Custom OpenWrt Images: A Practical Guide

Mar 26, 2026

Sahil Dhiman

GNU/Linux Network Engineer

The OpenWrt build system is powerful but has a steep learning curve. Here’s a practical, step-by-step guide to building custom firmware images — from setting up buildroot to adding your own packages.

From iptables to nftables: Enterprise Firewall on OpenWrt

Mar 26, 2026

Sahil Dhiman

GNU/Linux Network Engineer

OpenWrt moved to nftables. So did we — across 900+ devices. Here’s the migration path, the gotchas, and why nftables is genuinely better for enterprise firewall rules.

Why We Build Our SD-WAN Firmware on OpenWrt

Mar 26, 2026

Hopbox team

We could have built proprietary firmware. Instead, we chose OpenWrt — and it’s one of the best decisions we’ve made. Here’s why open-source firmware matters for network infrastructure you can actually trust.