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 ...

If you've found yourself hitting DNS errors or 404 pages in your browser but you know your net connection is working fine, it might be time to flush and restart Windows' DNS cache. The How-To Geek ...

If you're having problems Web surfing, you may have a DNS problem. Here are quick ways to fix it. As I’ve shown you in there are a number of way you can hack Domain Name System to speed up the way you ...

Windows 11 keeps a cache of temporary files in order to speed things up. But if that cache gets damaged or corrupted, you may ...

A prominent DNS researcher recently uncovered a new method of using DNS Query-ID spoofing to poison DNS caches. This was a known problem with all DNS vendors and until now was considered unlikely due ...

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 ...

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 ...