Absolute OpenBSD, 2nd Edition

Introduction

I asked a psychiatric nurse practitioner about paranoia, and was told that “paranoiais the feeling that people are after you.” A medical dictionary would give you a slightly different definition, but this one is actually terribly useful for any system administrator. It’s not that everyone on the Internet is trying to attack you, but there’s always someone who wants to break into your system. Even if you think you have nothing of value, someone wants to own your computer. And you won’t realize the value of what you have until someone else has it. That’s just human nature.

If you’re not paranoid on the Internet, you’re in trouble. ...