Terminal SSH session from a Mac into a Kali Linux box

Reaching My Kali Box Through a Second Router: SSH Across Double NAT, Then Into Hack The Box

I keep my Kali Linux machine tucked away on its own little subnet, wired into a second router that itself hangs off the main house network. That isolation is on purpose: the lab stays separate from the phones, TVs and everyone else’s traffic. But it raises an obvious question: If the Kali box is behind its own router, can I still reach it from my MacBook on the main Wi-Fi, SSH straight in, and from there launch a Hack The Box session without ever touching the machine physically? ...

September 28, 2026 · 6 min · Bernardo Alfaro