February 25, 2021 | 07:40

Nextcloud 21

Yesterday evening I rolled out the new update on my Nextcloud 21 instance. In the coming days, functional tests and adjustments will follow on the scripts for rolling out on customers' systems Looking with interest on my Prometheus monitoring, how far the performance improvements affect actual implementation. Read more

January 12, 2021 | 22:20

Cert Monitoring

Everyone knows the alert when visiting a website with expired certificates. At least once a month I stumble into one or I receive tickets with questions asking what to do. “Nothing” is my reply in most cases. “The mistake is on the other side”. On this occasion, my very special appreciation to the owners and/or administrators of such sites for the extra work required. Read more

November 19, 2020 | 15:50

Ghost Join in WebEx Conferernces

Due to a vulnerability (CVE-2020-3419), attackers could join Webex meetings without being listed in the participants list. Hidden as a “ghost” from the other participants, attackers could eavesdrop on audio and video content. This is what Heise writes in his article today.1 But this is only possible (…) if attackers have access to meetings in the form of shared links and a password. Read more

November 13, 2020 | 10:30

Example for Digital Sovereignty

What a pity, this is exactly the scenario I first expected for Microsoft. But I’m not really surprised that Apple is now ahead, what happened? The ocsp.apple.com server was apparently down and/or unreachable between yesterday and today1. Unfortunately macOS tries to reach it every time an app is opened to check if a certificate has expired2 or an app has been retracted or some more magic. Read more

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