Speaking of Laura Chappell, if you’re not familiar with her work, I recommend you check it out. As far as I’m concerned, she’s the original networking guru/goddess/queen. She knows a lot about a lot when it comes to networking protocols, security, and forensics….If you’ve never been to one of her sessions or classes, you haven’t lived (or learned) all you can about this field. Laura’s got some great material – some free stuff too. Check it out at packet-level.com. She also contributed to my book Hacking For Dummies. Check it out too!