Whois queries are used to determine the IP address ranges associated with clients. A whois query can be run on most UNIX environments. In a Windows environment, the tools such as WsPingPro and Sam Spade can be used to perform whois queries. Whois queries can also be executed over the Web from www.arin.net and www.networksolutions.com.

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Recommended Firewall Freebies

A couple of very good free firewall programs you might consider installing include * ZoneAlarm from http://www.zonelabs.com * SyGate from http://www.sygate.com TIP If you really like the idea of a

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Hacker Motivation: I Think Therefore I Hack

Hackers’ motivations vary. For some, it’s economic. They earn a living through cyber crime. Some have a political or social agenda—their aim is to vandalize high-profile computers to make a

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Ethical Hacker

Gmail Fake login page using XSS vulnerability on google mail A XSS vulnerability in Gmail allow hackers to create fake login page and show the domain name as mail.google.com.See the

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