Alles over IT infrastructuur – dat wat nodig is om een slimme IT omgeving op te zetten.
Since a long time I’m running Suricata on a few Internet facing boxes, just to see what’s attempted to access these boxes unauthorized. It brings a great deal of new information, however there are limits what people should be allowed to do. Politely asking them to stop does not work, nor emailing the abuse address …
At the start of running KVM, I have created all the images to be used for VM’s at the same size. Just to have the additional space, without the hassle of having to add space to it. However, having images at the same size, while usage is below 10%, backup takes too much time. So, …
Running IPv6 fully, means your systems attempt to connect over IPv6 first. Normally, when I’m browsing a site, that is not a problem. When sending mail, however, the receiving mailserver wants to be able to identify the sending server. This server says ‘hi, i’m mailserver’ so the receiving side does a verify to check to …
