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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Make your own Hardend Internet Firewall

Make your own “Hardend Internet Firewall” using that forgotton PC in your basement. Yes.. You know the PC I am talking about. We all have them. Remember that $3000 Pentium

Malaysia Government DBKL Web Vulnerability (2nd)

PlanetCreator has reported Critical XSS vulnerability on Official Portal of Kuala Lumpur, Malaysia Web Site, http://www.planetcreator.net/2009/09/criti…aysia-web-site/ and http://www.xssed.com/mirror/64058/ but nobody takes action ~~~ How come? Hello, DBKL’s Staffs! Are you

What are the general classes of hackers?

Hackers are categorized into the following classes: * Black Hat Hackers (Crackers): These are persons who are computer specialists and use their hacking skills to carry out malicious attacks on