Places one might want to go:
1. What is HackNet? (and other FAQs.)
2. How do I set up a HackNet for my own use?
3. Special projects currently under study here at HackNet:
A. Listening in to telnet and ftp (found at the bottom of the page.)
C. Hacking the Kernel to make an aggressive TCP.
E. Catching a Hacker's attack post facto (using Tripwire).