Lisätietoa: Linkki
Welcome to my personal website!
Here you will find information about me and my hobbies as well as many tips, tricks and downloads for different topics.
Humans say, the Road to Hell is paved with good intentions.
Why? Do they think there's a shortage of bad ones?
Andromeda S01E15
Security warning: Microsoft uses confidential data from Skype chats
- Details
- Category: IT / IT-security / privacy
- Created on Wednesday, 15 May 2013 17:05
- Written by Stefan Gofferje
Security warning
Already on December 16th, 2012, I predicted that nothing good can come from Microsoft's taking over Skype. Now my prediction came true. German IT News Agency Heise Online has proven that Microsoft doesn't only record all Skype chats. They actively use the data and seem especially interested in confidential information like encrypted sites, cloud storage and access codes.
Dealing with SIP probes and unauthorized call attempts
- Details
- Category: Asterisk
- Created on Sunday, 03 March 2013 12:20
- Written by Stefan Gofferje
If you run an Asterisk server which has the SIP ports exposed to the internet you have probably already noticed a ton of probes, connects which try to initiate calls to numbers with various prefixes. Although this doesn't do much harm if you did your homework and configured your Asterisk properly, it's still annoying. Here is how I deal with those:
Easy to use FrSky-library for Arduino
- Details
- Category: Arduino
- Created on Saturday, 23 February 2013 21:54
- Written by Stefan Gofferje
For my Control Station project, I also started writing a bunch of decoding function for the FrSky telemetry protocol.
How to get your first Arduino-based UAV ground station project on the road
- Details
- Category: UAV Projects
- Created on Sunday, 03 February 2013 14:16
- Written by Stefan Gofferje
I have been asked a few times now how I got my GCS basics up and running. MAVLink is a rather complicated protocol to implement. The documentation is rather thin and partially outdated... Not an easy thing, if you are no experienced developer...
[Update] Perfidious sneaky new advertising trap on facebook
- Details
- Category: IT / IT-security / privacy
- Created on Saturday, 05 January 2013 15:51
- Written by Stefan Gofferje
On 02.01.2013, I wrote about a new, potentially illegal and definitely sneaky and perfidious advertising method on facebook, utilizing notifications to get the user curious. Today, it became clear that it was no glitch or single event but there is some system behind it.
Perfidious sneaky new advertising trap on facebook
- Details
- Category: IT / IT-security / privacy
- Created on Wednesday, 02 January 2013 00:40
- Written by Stefan Gofferje
Today I got a new notification on facebook, saying "Florin Georgian Voicilä also commented on sikkimonline.info", suggesting that I also commented on that page.
Well, I have not ever commented on "sikkimonline.info" and Florin Georgian Voicilä is neither in my friend list, nor did I subscribe to him. When I clicked on this notification, I was not ending up where I was expecting to...
You have a shipment that doesn't fit your mailbox - or does it?
- Details
- Category: Service-blog
- Created on Friday, 28 December 2012 18:42
- Written by Stefan Gofferje
Yesterday I found a cute comic-style card in my mailbox, telling me that I have a shipment that was to big for my mailbox and I should pick it up from the post-office.

