The Tunnel I Forgot to Wall Off
My DMZ looked great on paper. Then I ran curl from inside the Nextcloud container and found a master key to the whole burrow. How I walled it off with a handful of iptables rules, and why that is only the first wall.
Tech, embedded, smart home, and everything in between.
My DMZ looked great on paper. Then I ran curl from inside the Nextcloud container and found a master key to the whole burrow. How I walled it off with a handful of iptables rules, and why that is only the first wall.
I sat down to patch PHP2Shell and found out that my Nextcloud had spent a week fending off a Collabora exploit. A forensic dig through the logs, and why a restart can be the moment you get hit.
The mole puts its week-ahead power price forecast on the surface for everyone, writes 110 software requirements without being forced to, and finds out that the index of its storage is bigger than the raw data.
The forecast met a 560 €/MWh evening and lost. Meanwhile the burrow learned to read a weather archive without a table of contents, got a 31-member ensemble, calibrated bands and a merit order built from the plant register.
Three years of weather history in about two hours, a model that got tripped up by the clock change, and a pile of side tunnels – the first follow-up from the PredictionDB burrow.