There has been a long history of attacks on the DNS ranging from brute-force denial-of-service attacks to targeted attacks requiring specialized software. In July 2008 a new DNS cache-poisoning attack ...

Although it's very rarely needed, flushing the DNS cache might help clear up mysterious internet connection issues. Here's why, when, and how you do it. This is one of those tips that you may never ...

ISC patched 14 BIND 9 vulnerabilities that could enable DNS cache poisoning, remote crashes, resource exhaustion, or DNSSEC bypasses.

Many internet connection issues stem from outdated or corrupted DNS information. Clearing your DNS cache is a fast and effective way to resolve problems like pages not loading, failed domain ...

Jack Wallen shows you how to flush the DNS cache on your Ubuntu Servers to avoid DNS-released networking issues. Sometimes a network connection doesn’t seem to function how we expect them to. And it ...

DNS lookups mean web pages can absolutely waste my time before they even download a single image. Typing in one address triggers DNS lookups for the site itself, images, analytics, advertisements, and ...

In 2008, researcher Dan Kaminsky revealed one of the more severe Internet security threats ever: a weakness in the domain name system that made it possible for attackers to send users en masse to ...

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 ...