Switching off IPv4
Due to the future cost of IPv4 in AWS, it was finally time to disable IPv4 for this blog.
Experience with Nitro FIDO2 security key
In this article I describe my first experiences with my FIDO2 security key from NitroKey. Interesting is the different implementation at different services. The main issue remains the lack of acceptance.
Device encryption as Bitlocker-Lite
Windows now supports encryption with Bitlocker in the Home Edition of Windows, but the implementation needs improvement.
Goodbye to the storage pool – and the goodbye to the goodbye
In the article I describe my personal experience with the Windows Storage Pool. I originally used the pool because of its flexibility and protection against disk failures, but I encountered problems with unexplained storage space consumption. The lack of success of my attempts to solve the problem and further consideration I present in this article.
RSS activated
I have finally activated RSS on this blog.
Why this is important to me and how I managed to do it is explained in this article.
No more SMS on Twitter for MFA
I already wrote this article partly on the 30th birthday of SMS at the beginning of December 2022, but then it had lost relevance. In view of the current discussion about switching off SMS as the second factor in Twitter, I would like to take up the topic again.
One year of blogging
Today is not only the birthday of important people, this blog is also one year old. This is a good opportunity to look back and evaluate which goals have been achieved and which have not.
There are updates to some articles.
DNS – Dumb network stuff
You can do great things with DNS. For instance, breaking this blog. Sometimes it helps to read RFCs.
ChatGPT
After ChatGPT was allowed to write two articles in this blog, I want to go into why this is interesting but won’t happen again. I describe how AI will hopefully simplify my job in the future and what consequences that might have for society. I also briefly address the issue of security in AI.
30 years SMS
The 30th birthday of SMS is a good occasion to discuss the IT security of SMS messages. Compared to other communication methods, SMS is less secure because the protocol used for SMS, called SS7, is susceptible to hacking attacks. Another weakness of SMS is its lack of support for multi-factor authentication (MFA), which increases the security of online accounts.