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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Investigate Google’s Gmail, Docs and other products: EPIC Petitions to FTC

Electronic Privacy Information Center (EPIC) a privacy group based in Washington, D.C filed a petition to Federal trade commission to investigate the Google’s cloud computing offerings. They asked FTC to

Software Firewalls: Programs That Stop Hackers

A good software firewall for home users should have the following attributes: * It’s easy to configure. * It’s frugal with system resources so it doesn’t bog down the computer.

NMAP Tutorial

So… let’s say that you donwloaded NMAP in one of its latest versions, if you didn’t then go get it immediately! And come back only when you have it. http://nmap.org/download.html