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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TCP/IP Tutorial

This tutorial is intended to supply a brief overview of TCP/IP protocol. Explanations of IP addresses, classes, netmasks, subnetting, and routing are provided, and several example networks are considered. The

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What Damage Can Hackers Do?

Hackers like to subvert computer security without permission. They are cyber criminals. This can mean gaining access to a computer across the Internet for illicit purposes. They might engage in

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Best Server Security Configuration

Best Server Security Configuration. Summary 1) Upgrade Apache/PHP, MySQL, OpenSSH, OpenSSL, cP/WHM etc2) cP/WHM Configuration3) SSH Access4) Mod_Security5) Firewall6) DDoS Protection7) Rootkit8) PHP Configuration9) Other10)The End Author: QKrun1x 1) Upgrade

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