We recently recommended that you use Jitsi instead of zoom for video conferences. We received queries that we would be happy to answer. The main advantage of Jitsi is that it is an open source product. Everyone can therefore download it free of charge and install it on their own server. A good Linux admin can do this in under an…

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We received several comments on our last blog post , thank you very much! We would like to comment on some questions and comments. A comment first mentions the essential protective measures, of which we only mentioned the first: “1. VPN 2. Login lockout 3. 2-factor authentication 4. Updates ”That’s completely correct, thanks for the addition! In addition, the commentator –…

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A reader of our blog asked: “A friend of mine who was a system administrator told me a few years ago that Windows has a good remote maintenance capability in its philosophy and that therefore all possible ports are open by default. Is it still like that?” This cannot be answered with a short yes or…

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Countless servers are maintained using the Windows service RDP. And millions of them can be attacked with the simplest of means. We explain what RDP is, where the dangers lie and how you can protect yourself. What is RDP? RDP means “Remote Desktop Protocol”. This allows Windows computers to be controlled remotely. Advantage: RDP shows the complete desktop. Administrators can work…

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