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 ...

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 ...

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 ...

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 ...

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 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 ...

Is it weird to say that DNS is my favorite protocol? Because DNS is my favorite protocol. There's something about the simplicity of UDP packets combined with the power of a service that the entire ...

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 ...

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.

As much as 38 percent of the Internet’s domain name lookup servers are vulnerable to a new attack that allows hackers to send victims to maliciously spoofed addresses masquerading as legitimate ...