Archive for June 2017

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 other checks, this script is not limited to checking certificates via HTTPS. This article provides a description of how the expiration date of an SSL…

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 also XMPP/Jabber servers and mail servers, for example. As the basis of each SSL/TLS configuration, we need keys and certificates and sometimes Diffie-Hellman parameters. This…