312-50 Practice Test - Certified Ethical Hacking

The terrorist organizations are increasingly blocking all traffic from North America or from Internet Protocol addresses that point to users who rely on the English Language. Hackers sometimes set a number of criteria for accessing their website. This information is shared among the co-hackers. For example if you are using a machine with the Linux Operating System and the Netscape browser then you will have access to their website in a convert way.

When federal investigators using PCs running windows and using Internet Explorer visited the hacker's shared site, the hacker's system immediately mounted a distributed denial-of-service attack against the federal system. Companies today are engaging in tracking competitor's through reverse IP address lookup sites like whois.com, which provide an IP address's domain.

When the competitor visits the companies website they are directed to a products page without discount and prices are marked higher for their product. When normal users visit the website they are directed to a page with full-blown product details along with attractive discounts. This is based on IP-based blocking, where certain addresses are barred from accessing a site.

What is this masking technique called?