The document discusses analyzing the history of Linux mandatory access control (MAC) by examining messages posted to the LSM mailing list from December 2003 to June 2008. It finds that:
- 6545 messages were posted across 978 threads in that period, contained in a 55MB mbox file.
- Monthly message volume peaked in April 2006, June 2007, and October 2007, driven by discussions on new MAC modules like AppArmor and TOMOYO Linux.
- The major contributors to discussions were developers of MAC modules like AppArmor, Smack, and TOMOYO Linux.
- Analyzing the mailing list archive provides insights into the evolution of Linux MAC and interests around new security models over that