DNS failure is a failure to communicate between your device and a DNS server. When a DNS failure occurs, you can’t reach the ...

"DNS server not responding" errors show up when your computer and internet connection aren't communicating correctly.

Nearly a month after a critical flaw in the Internet’s Domain Name System was first reported, vendors of some of the most widely used firewall software are scrambling to fix a problem that can ...

Dan Kaminsky, director of penetration testing at IOActive, discovered a fundamental flaw in the Domain Name System (DNS) protocol that would allow an attacker to massively disrupt the Internet. His ...

The Cupertino, Calif.-based computer company Friday posted Security Update 2008-005, a fix that plugs several security holes, including Apple's implementation of the BIND (Berkeley Internet Name ...

Nearly a month after a critical flaw in the Internet’s Domain Name System was first reported, vendors of some of the most widely used firewall software packages are scrambling to fix a problem that ...

Some firewall software undoes a feature that was introduced in the DNS patches and could make it easier for attackers to pull off a cache-poisoning attack against the DNS server Nearly a month after a ...