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 ...

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 ...

I've read that when running a local DNS server, it is a good idea to disable the caching DNS clients at the workstations that will be using that DNS server. (See Simple DNS Plus, for ...

When your company’s internet access, VoIP and email all depend on DNS, you have to ensure your DNS server is protected against DNS spoofing attacks. One solution: DNSSEC. Domain Name System (DNS) is ...

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 ...

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 ...

We have a Windows 2003 server that serves DNS requests to our clients. It caches web requests. We're seeing a strange issue crop up from time to time and right now it's easily reproducible - external ...

How to view DNS cache entries with the new systemd-resolved resolver Your email has been sent If your Linux servers or desktops are experiencing networking issues, you might want to view your DNS ...

Hundreds of thousands of Internet servers are at risk of an attack that would redirect unknowing Web surfers from legitimate sites to malicious ones. In a scan of 2.5 million so-called Domain Name ...