A packet sniffer is used to analyze the network traffic. Sometimes they are also called network analyzers, protocol analyzers or ethernet sniffers. System administrators usually use them to analyze the behaviour of an application or device causing network problems.
Windows 2000 & Windows 2003 DNS Server Dynamic DNS update functionality enables DNS client computers to register and to dynamically update their resource records with a DNS server whenever changes occur. This reduces the requirement for manual administration of zone records, especially for clients that frequently move and use Dynamic Host Configuration Protocol (DHCP) to obtain an IP address.
One of the least looked at security feature in Windows is the last login name. When you login on your Windows PC (either standalone or a Domain attached PC), it can display the last logged in user. This can be a security issue especially in a domain attached environment.
This can be disabled from the Local Security Policy snap-in or from Windows Registry.
There have been time when I have to wait for atleast 5 minutes for my PC to shut Down so that I could pull the Power Strip.It now takes me at the most 3 second to shut it down. It depends a lot on the System resources and the number of software you have installed on your PC. But here I am not going to tell you to upgrade your PC, buy more RAM or even uninstall all those unnecessary programs. What I am going to show you is a simple trick using which you can Shut down your PC in under 5 seconds.
Driver Magician Lite is freeware, it identifies all the hardware in the system, extracts their associated drivers from the hard disk and backs them up to a location of your choice. Then when you format and reinstall/upgrade your operating system, you can restore all the “saved” drivers just as if you had the original driver diskettes in your hands.