This process is different from clearing your web cache from a browser. If clearing your browser's cache has not solved the problem, clearing your DNS cache may be the next step. It's also different ...

Five commands that end DNS guesswork for good.

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 ...

Jack Wallen shows you how to flush the DNS cache on your Ubuntu Servers to avoid DNS-released networking issues. Sometimes a network connection doesn’t seem to function how we expect them to. And it ...

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 ...

A team of researchers from UC Irvine and Tsinghua University has developed a new powerful cache poisoning attack named 'MaginotDNS,' that targets Conditional DNS (CDNS) resolvers and can compromise ...

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 ...

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.

Every time a user types a website URL into their browser, the browser checks a local file (DNS Cache) to see if there is an entry to resolve the website’s IP address. The browser needs the IP address ...

During the past few weeks we have been hearing more about a severe DNS cache poisoning vulnerability that threatens to become a major problem if it's not promptly dealt with. A lot of interesting ...