A Certificate Revocation List (CRL) is a list of certificates that have been revoked by the issuing Certificate Authority (CA) before their scheduled expiration date. Those certificates should no longer be trusted. A client application such as an Icinga Agent can use a CRL to verify that the certificate of the server is valid and trusted.

Unfortunately, there is little to no documentation for using the Icinga Web API to perform monitoring actions such as scheduling downtimes. But it’s a simple thing and I’ll give you a quick example of how to do it. Using the Icinga Web API instead of the Icinga API gives you the advantages of the permission and restriction system, various authentication methods and auditing.

Once upon a time there was a small company in the south west of Germany that used an old check plugin for monitoring its network devices. But as their network got bigger and bigger over time, the plugin (written in Perl) became more greedy than ever before and swallowed all of the available resources. The CPUs were melting and the RAM was about to collapse. So a small team of creative software developers decided to take the fate of their company into their own hands.

Not a long time ago, we released Icinga for Windows v1.3.1, fixing plenty of reported issues from our amazing community and user bases. Today however, we want to talk about the next big release for Icinga for Windows and are excited to tell you more about all the new features!