If you are a SQL programmer, learning recursive SQL techniques can be a boon to your productivity. A recursive query is one that refers to itself. I think the best way to quickly grasp the concept of ...

There’s a new species of Distributed Denial of Service (DDoS) attack targeting name servers, which could be called the “nonsense name” attack. It can wreak havoc on recursive and authoritative name ...

OK, this is a bit odd but will be fun -- View image here: http://episteme.arstechnica.com/groupee_common/emoticons/icon_smile.gif --<br><br>I have 1 table.<br><br>Let ...

I honestly think most people simply are unaware of how much personal data they leak on a daily basis as they use their computers. Even if they have some inkling along those lines, I still imagine many ...

The DNS setup as follows. The reason for the way it is setup is due to a pre-existing network segmentation by 2 PIX firewalls. There is a DNS for each PIX. <BR><BR>The DNS of the internal PIX does ...

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 ...

Celebrated author/Infoblox technologist Cricket Liu explains how to prevent DNS-based DDoS attacks -- and avoid being an unwitting accomplice to one When it comes to DNS, Cricket Liu literally wrote ...