>Instead, we used a simple program that read the password file, >and would not exit until the root password was typed correctly. Supposedly, removing "secure" from the ttytab entry for the console should prevent booting single user or other nonstandard without providing the root password. Whether that's breakable too, I can't say. >So there was a semi-fix for older systems, but I have heard that people >could still halt the system, change the kernel, and continue without >needing a password. I never knew how to do this. changing it from firmware mode would be a nasty trick.... How could you do that from old-mode though?