Blog
Over the past months we were experiencing more and more issues with our old calendarserver (https://calendar.soverin.net:8443), which was clearly showing it's age.
DDOS attacks have happening a lot in the past months, this is something we had to mitigate and have been doing for a while now. We automatically block thousands of IP addresses, from know botnet IP's. But additionally we're blocking IP addresses which display strange behaviour.