Month: June 2012

Loopback Commonly known as localhost. You’ve might’ve seen it on a shirt of a geek as its numeric counterpart 127.0.0.1. Packets through this interface will never leave the your network card. Unicast The packets will...

IP Nodes Every single networked computer needs to know three things: IP Address – The operating system will respond to packets destined for its IP address unless in promiscuous mode. Netmask – Allows the OS to know...

What is DNS? When you visit a website, your computer needs to convert a domain name to an IP address. DNS (Domain Name System) does this translation. For example, google.com translates to http://74.125.224.95/ DNS servers are...