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 ...

In an effort to properly prepare our DMZ for future ecommerce transactions i've been reading some of Microsoft's documents on securing DNS. My particular question is how to handle DNS recursion in a ...

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 ...

Some domain name server (DNS) implementations are at risk for denial-of-service attacks after a vulnerability was disclosed and patched in a few popular server packages, including BIND, PowerDNS and ...

The common way a DNS server is configured to handle requests. The DNS server makes multiple requests to the various DNS servers on the Internet in order to wind up with the actual IP address of the ...