GoKawiilMezz
Mezz is a self-contained wifi sandbox for inspecting your own IoT devices. The name comes from mezzanine, the half-floor between two main floors of a building. This network sits in the same place: between your devices and the rest of your home network.
Caution Mezz is provided for educational purposes and authorized penetration testing only. Use it on networks and devices you own, or on which you have explicit written permission to test. The author accepts no responsibility for any misuse or for damage caused by use of this software.
What it does
Turns a Linux host with two NICs (one wifi, one wired uplink) into a small isolated network:
a wifi access point on its own subnet
DHCP and DNS for any client that connects (wifi or wired)
NAT out through your wired uplink
a local domain, so clients resolve as kitchen-pi.lan etc.
etc. per-query DNS logging, so you can see exactly what your fridge is talking to
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