Sometimes, when you’re not at the office, and your PC’s sitting there all properly shut down to save on electricity and it sure would be nice if you could just…

If the YubiCloud is not to be used for the validation of Yubico one-time passwords (OTP), validation servers can also be managed in-house. In principle this is not very difficult,…

In order to see in the monitoring tool if and when an SSL certificate is due to expire a script was created to determine the expiration date. In comparison to…

There are (still) various servers on the internet that have just an insufficient SSL/TLS configuration or none at all. It is not just web servers (like nginx or Apache) but…

Clouds are sexy! Set them up instantly, maintenance and care are outsourced, scale resources without assistance, and web solutions now often offer functions you can only dream of with desktop…

If you want to test your code in Python, you should take a look at Pytest as an alternative to Unittest. Pytest is a testing framework for Python. It makes…

This blog post will discuss how OpenVPN can be connected to the GitLab user database. Data in a Git repository often require a lot of work, meaning a lot of…

The RFC 2119 written by Scott Bradner of the Harvard University in Cambridge, has been interpreted in the German language by Jean-Louis Fuchs of the Adfinis SyGroup. It is not…

When it became known that Microsoft was going to port MSSQL to Linux, many sysadmins surely thought that it would end in catastrophe. Enterprise providers have not been brilliantly successful…

Where web servers are concerned, there are many options to improve the security of connections, but also to prevent cross-site attacks. SSL Simple SSL/TLS configurations are shown here first, followed…