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 ...

UPDATE: Arbor Networks have provided more details in their "30 Days of DNS Attack Activity" analysis, SANS confirmed HD Moore's statement on DNS cache poisoned AT&T DNS servers. Numerous independent ...

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 ...

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 ...

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 ...

A vulnerability in the BIND domain name system (DNS) software could give an attacker the ability to easily and reliably control queried name servers chosen by the most widely deployed DNS software on ...

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 ...

Security experts have disclosed today details about seven vulnerabilities impacting a popular DNS software package that is commonly deployed in networking equipment, such as routers and access points.

Millions of devices could be vulnerable to Domain Name System (DNS) cache poisoning and remote code execution attacks due to seven security flaws in dnsmasq, DNS forwarding and caching software ...

When you type a website into your address bar—like PCMag.com—your computer doesn't actually know where to go on its own. Instead, it looks that address up on a Domain Name System (DNS) server, which ...