On Fri 2007-12-28 12:23:51, [EMAIL PROTECTED] wrote: > On Fri, 28 Dec 2007 23:32:09 +0900, Tetsuo Handa said: > > > You can run your system with only policy collected by learning mode. > > Thus, you basically don't need manual intervention. > > But since there are randomly named files (i.e. temporary files), > > you pay a little time to modify policy. > > > > The learning mode is to save time for permitting commonly accessed > > resources. > > Administrator reviews policy collected by learning mode. Thus the > > readability > > of policy is important so that administrator can understand what he/she is > > going to allow or reject. > > Please make a *big* notation someplace that "learning mode" is quite likely to > *not* produce a totally correct policy. In particular, it won't build rules > for > infrequently used code paths (such as error handling) unless you find a way to > exercise those paths while in learning mode. > > Particularly fun - when learning mode doesn't create an entry for the logfile > for I/O errors. Then when one actually happens, you have no idea what it > was...
Yes... if you disallow access to /etc/nologin (or do something similary stupid) you can even introduce security hole... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/