Linux

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

I have been using KDE since 1998 and keep coming back to it even though I have tried Gnome in many versions and varients. A highly personal report why configurability is good for an expert work tool.

The Flatpak package of the Zoom Linux client is better than installing native because of Flatpak sandboxing capabilites. This short post summarizes the settings I use to make it work.

Why For analysing what devices do on a network - specifically the shared medium of a wireless LAN - just packet tracing based on IP address is often not sufficient. There are multicasts, the initial DHCP requests, and potentially other types of traffic not captured by that.

Why Tor allows to anonymize Internet traffic through onion routing, typically via 3 separate hops. At INS, we run one of the fastest Tor exit nodes in Austria, and provide statistical data on its usage.

[Finished/closed] A Linux firewall/UTM distribution with read-only root file system.

Disclaimer This web page is written primarily in English, but uses German words originating from the Austrian law. There seems to be little point in artificially translating these terms when they are special definitions of a law written in German.

[Finished/stopped] A personal Dropbox replacement based on Git

How to set up an OpenWRT router/gateway as an IPsec/L2TP gateway for Andoid and iPhone clients The only “reasonable” (that is, not counting PPTP due to its known security issues) VPN protocol supported by default on non-rooted / non-jailbroken Android / iPhone phones as clients is the combination of IPsec and L2TP.

Introduction After (again) suffering under KMail’s recent sluggishness when dealing with my email spool and general Eclipse slowness when run with many plugins (such as the excellent Android ADT or the still-to-mature Scala plugin), I decided that the best update for my Lenovo Thinkpad X201s laptop would be a solid state disk (SSD).