DNS is the cornerstone of the Internet: It turns www.gigaom.com into an IP address that the routers can use to connect a browser to a web site. For this reason, its the subject of many attacks. If you convince someone that your server, rather than the real one, is the site they wanted, you can get up to all kinds of mischief. You can make them think youre their bank, solicit their private information, monitor what they do, or even feed them Trojans.
Of course, DNS has protections. Each DNS requ....



