Category Archives: Infrastructure

Automated filtering with Snorby and Suricata

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 …

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Resize KVM images

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 …

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Google mail and IPv6

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 …

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