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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BackTrack 5 Release

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This book discusses many of the security tools you can use to defend your computer against digital threats. An antivirus program and anti-spyware programs are critical; however, the third key

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