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 ...

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 ...

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 ...

Internet security experts say that misconfigured DSL and cable modems are worsening a well-known problem with the Internet’s DNS (domain name system), making it easier for hackers to launch ...

Like IPv6, DNSSEC is one of those great forward-looking protocols that unfortunately hasn't seen wide adoption yet. Before I implemented it myself, I could see why. Although some people think BIND ...

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 ...