DNS Articles

Amazon Selects UltraDNS to Optimize Website Infrastructure

UltraDNS today announced that it will provide its Managed DNS Service to help optimize Amazon Web site infrastructure.

DNS Attack Downs DoubleClick

On Tuesday DoubleClick, online marketing and advertising provider, received a flood of fraudulent web page requests, creating a bottleneck that blocked many major sites from displaying their appropriate advertising.

Running Programs in Response to Sniffed DNS Packets – Stealthily Managing Iptables Rules Remotely, Part 2

Last time we set up a Perl script that would use the Net::Pcap module to sniff the network and print information about DNS requests to standard output. The output looks like this

sourceipaddr -> destipaddr: dnshostname

Understanding DNS in Windows XP Professional
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This article will provide a beginning overview of the DNS service provided by Windows 2000 server and how it interacts in Windows XP Professional environments.

ICMP: The Good, the Bad and the Ugly

The Internet Control Message Protocol (ICMP) was developed along side the entire TCP/IP protocol suite as tool for exchanging simple messages between devices. The messages can indicate that services or hosts are unavailable or the messages can be used to test connectivity between devices.

MCSE Windows 2000 Exam Cram 2 (Exam 70-217): Implementing and Administering DNS

The Domain Name System (DNS) is a name-resolution database most commonly associated with the Internet.