Tag Archives: IIS

Let's Encrypt certificate trouble with Windows, Sophos UTM, macOS/iOS (2021/09/30)

[German]As of September 30, 2021, some root certificates that Let's-Encrypt used to sign user certificates expired. This meant that certain devices or applications could no longer access websites or mail servers. I have seen cases with iOS 14/15 and macOS, … Continue reading

Posted in ios, issue, macOS, Software, Windows | Tagged , , , , | 5 Comments


IIS web server stopped after Update KB4338818

[German]Just a brief information, maybe somebody is affected too. It seems that Microsoft's updates (especially KB4338818) not only causes network issues, but also cause problems with the Internet Information Services IIS web server. Advertising

Posted in issue, Update | Tagged , , , | 3 Comments