--- lsm_modules.html 2004-01-26 17:10:29.000000000 -0600 +++ lsm_modules_modified.html 2004-01-26 17:15:40.000000000 -0600 @@ -155,6 +155,19 @@ Mandatory Access Control (MAC) system. + +
  • + + BSD Secure Levels + + + The BSD Secure Levels module allows administrators to enforce sets + security policies on the kernel level that not even the root + user can circumvent. For example, in an elevated secure level, + the IMMUTABLE flag cannot be unset on any file, and raw access + to mounted block devices is disallowed. + +