networking

  • 15th September 2026

From FRITZ!Box to TP-LinkBox 7: Measuring What Changes in a Home Network

A test log: iperf3 LAN baselines, Ookla internet measurements, and an open question about TCP retransmits when 2.5GbE meets a gigabit device.

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  • 12th August 2026

HTB on Qubes: an OpenVPN Gateway and the Reverse Shell Problem

Five minutes on Kali, five hours on Qubes. The default route that kills your internet, where the DNAT rule belongs, and the mistakes I made getting there.

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