danielowen.com

• A tcp packet walks in to a bar and says “I want a beer”, barman says “you want a beer?” and tcp packet says “yes, a beer”
• A udp packet walks in to a bar and says “I want a beer”
• I’d tell you another udp joke but you might not get it.
• Teredo tunneling is Microsoft’s implementation for IPv6 over IPv4. The Teredo navalis is a species of saltwater clam also known as the naval shipworm that destroy submerged wood.

The SANS Institute provides some of the best security training in the industry. Many of their classes include the so called “Cheat Sheets” which are short documents packed with useful commands and information for a specific topic. I have linked as many as I am aware of below.

SANS Cheat sheets – Security cheat sheets from The SANS Institute