In today's connected workplace, webpage errors are a major headache for IT administrators. A good place to begin your troubleshooting is with the DNS cache. For the uninitiated, DNS refers to Domain ...

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Jack Wallen shows you how to flush the DNS cache on your Ubuntu Servers to avoid DNS-released networking issues. Image: gonin/Adobe Stock Sometimes a network connection doesn’t seem to function how we ...

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 ...

Simple steps can make the difference between losing your online accounts or maintaining what is now a precious commodity: Your privacy. Read now Here's how it works: First, DNS is the internet's ...

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 ...

Few recent Internet threats have made such a big impact as security researcher Dan Kaminsky's discovery, in 2008, of fundamental flaws in the Domain Name System (DNS) protocol that can be used by ...

Today Black Hat held a preview webcast with [Dan Kaminsky] about the massive DNS bug he discovered. On July 8th, multiple vendors announced a patch for an undisclosed DNS vulnerability. [Dan Kaminisky ...