0xbadcoffee

digital security and other possibly related topics

Do you want to parse CDP or LLDP information? Do you run Windows 11? As I recently found out it might not be as straight forward as expected.

Turns out Microsoft removed some useful capabilities from the built in network tools from Windows 11.

After extensive searching and trying several tools,...

I was pondering how detection of AI generated text might work. Since GPT and the like are large language models (LLM) with varying context awareness they are basically Markov chains on steroids. Ofcourse none of the detect-AI-generated-text slingers really want to disclose their secret sauce as it w...

(aka OSINT for newbies, OSINT 101 or whatever else might get you interrested)

This article is meant as an introduction to OSINT for someone who is new to it. If you have previous experience it might come off as overly simple or lacking details, but hopefully there is still one or two things here f...

Android and iOS have since some time supported sharing wifi credentials via a qr code that other users can then scan with their camera app and join the network hassle free.

You might have also seen them printed at hotels, bars and various venues and thought you want that too.

That is very handy...

How many people can read hex
if only you and DEAD people can read hex?

This is a joke I heard years and years ago that stuck with me.

The solution is obviously (to some) that dead is a valid hexadecimal number as hexadecimal - which is base 16 as opposed to base 10 for "normal" decimal n...

Short on howto setup a default SSL server config for nginx.

Sometimes a webserver is required for some reason. Those times SSL/TLS is also usually required. Some of those times a shared server is used.

For quite some time now SNI (Server Name Indication) has been there to make this work.

Howev...