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 […]
Alles over IT infrastructuur – dat wat nodig is om een slimme IT omgeving op te zetten.
When connected to a modern ISP, they can deliver native IPv6. That’s good, as the available space in IPv4 is rapidly decreasing. Although 99% of the home-users is already using PAT – so just one address on the outside exists on which all access is translated – the decrease of available IPv4 space is a
Since a few months I realized I need more than just a secure connection. What are “they” attempting on the outside of my Internet connection and do I take sufficient measures to counteract? So instead of just checking the logfiles using elsa, I started suricata on the webserver. Suricata is similar to snort, but more