Scanning the Internet with Nmap (Defcon 16) Tutorial. Scanning The Internet With Nmap (Defcon 16) Description: How would you like to scan millions of hosts on the Internet and catalog all the interesting insights?
This is exactly what Fyodor, the author of Nmap or Network Mapper did last summer. Thankfully, he then went on to share his finding with the community at Defcon 16 in his talk titled "Nmap: Scanning the Internet". Interestingly, as Fyodor notes in his talk that scanning such a large set of IP addresses did help him in uncovering many bugs in Nmap and also forced him to make enhancements and add new features to make the scanner really fast.
rajahmqar Jan 15 2011Tools and tutorials for network scanning, vulnerability detection(yes like finding things to hack) and much much more. For help on the subject pick up a Cisco book.