Joerg Sonnenberger <[EMAIL PROTECTED]> wrote: > > On Sat, Sep 01, 2007 at 06:30:20PM -0400, Mike Meyer wrote: > > On Sat, 1 Sep 2007 14:27:42 -0300 "Klaus Schneider" <[EMAIL PROTECTED]> > > wrote: > > > Well, anybody know a way to make the FreeBSD run just binaries that I have > > > compiled? > > > > In general, it's impossible. There's no way the system can know that > > you compiled a binary. There are a number of things you could do with > > a custom kernel and toolchain to indicate that you compiled the binary > > (like Peter's changing of ELF OSABI), but that's just security through > > obscurity. If someone figures out those changes and replicates them, > > you lose. > > You mean using cryptographic hashes to ensure that binaries match those > you compiled is impossible? Something like NetBSD's veriexec?
Also, the situation can be actively _detected_ using something like tripwire or samhain. It'd be up to the admin to step in and stop things when a problem is detected, but at least you'd know. And those programs are available on all systems now. -- Bill Moran Collaborative Fusion Inc. [EMAIL PROTECTED] Phone: 412-422-3463x4023 _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
