Artificial Ignorance How to implement "artificial ignorance" log analysis (from firewall-wizards, 1997)
Computer Security Haiku Back when I wrote a column for USENIX' ;Login: I solicited computer security haiku from the community, and got a few splendid responses.
The One-Time Pad FAQ One-time pads are an often misunderstood cryptosystem. I used to explain them so many times I got sick of it and wrote this FAQ.
The Ultimate Intrusion Prevention System A philosophical short paper I did on firewalls in 1992 when first building them. It remains the best thing I've ever written on the topic of firewall design and implementation.