This is a presentation I gave for the Kentuckiana ISSA on the security tool Nmap. I've also posted the slides and other media so you can follow along if you like. Topics covered include: port scanning concepts, TCP three way handshake, stealth scans, idle scans, bounce scans, version detection, OS detection, NSE/LUA scripting and firewall logs. Hope some of you can make it to the free class we will be holding at Ivy Tech Sellersburg on Sept 20th, 2008 at 1pm. Contact me to RSVP. The video is about an hour long. Enjoy.

 
If the embedded video below does not show, try:
http://blip.tv/file/get/Irongeek-nmapissa2860.avi