Monthly Archives: December 2014

A Black Hat Python Easter Egg?

My good friend Justin has released his second book on using Python called Black Hat Python (you should buy a copy or two from

I was fortunate to be a tech reviewer for the book. I learned so much from Justin and from the real tech reviewer, Dan during the development of the book. Thank you Justin and Dan.

For the section on Paramiko, I created a diagram to explain SSH tunnelling. Unfortunately, my original diagrams wouldn’t show up very well in printed format so I thought I would share them here.

SSH forwarding Tunnel

SSH forwarding Tunnel


SSH Reverse Tunnel