Recent posts

Finding Vulnerabilities in the Era of AI/LLM Coding Agents

Responsible/coordinated/timed disclosure is continuously a topic of heated debate, even more so when PoC (proof of concept) exploit code is included in the release. This post gives an updated opinion taking into account the early 2026 AI coding agent capabilities to find vulnerabilities.

2026-04-13

Firewall Throughput Measurements: OPNsense, OpenWRT, ...

Getting OPNsense to perform well on a low-powered CPU, e.g. the APU4d4 board or the Thomas Krenn Edge4Go, can be tricky. As there are some open questions, this post summarizes some measurements taken in a home lab setup.

2026-03-18

OPNsense and PPPoE with High Availability: Tricky, but Doable

2024-04-18

Password Managers: KeepassXC and Vaultwarden

Use a password manager! But which one?

2024-04-01

Suspend/Resume with Linux on Lenovo Yoga 6 Gen8

2023-10-09

DNS Resolver Latency Measurements: OPNsense Unbound

Getting OPNsense to perform well on a low-powered CPU, e.g. the APU4d4 board, can be tricky. One particular problem has been DNS resolution latency with Unbound.

2022-11-19