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.

Explore More

How to Remove Windows Genuine Advantage Notifications

Windows genuine advantage notifications occur when your computer hasn’t passed the validation test. The validation test can be failed due to being sold a pirated (non-genuine) copy of XP, or

Read More

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

Read More

Windows rootkits 101

When administrators and security professionals hear the word rootkit, most think first of a UNIX-based system. Unfortunately, this only leads to a false sense of security for Windows-based systems. The

Read More