Researchers from Tsinghua University and the University of California have identified a new method that can be used to conduct DNS cache poisoning attacks. The new discovery revives a 2008 bug that ...

Dig is a powerful and flexible tool for interrogating domain name system (DNS) servers. In this post, we’ll take a deep dive into how it works and what it can tell you. Dig is a powerful and flexible ...

As readers of my previous desktop Linux DNS article will be able to attest, systemd’s management of DNS is complex. By putting time into comprehending its complexity, though, we can create nuanced DNS ...

If you only learn one Linux networking command, make it ip. It replaces older tools like ifconfig, route, and arp, and it does so in a cleaner, more structured way. The most common use is checking ...