the Tripwire database is supposed to be mounted read-only as well, either on
CD or write-protected floppy.  If it is writeable, you have no security.

--Adam

-----Original Message-----
From: Rask Ingemann Lambertsen <[EMAIL PROTECTED]>
To: Qmail mailing list <[EMAIL PROTECTED]>
Date: Tuesday, December 29, 1998 7:59 AM
Subject: Verifying system binaries (Was: Frivolous forking)


:On 23-Dec-98 05:20:37, Russ Allbery wrote something about "Re: Frivolous
forking". I just couldn't help replying to it, thus:
:
:> I hope that anyone who intends to do this as part of their security
policy
:> uses tripwire rather than relying on RPM.  Tripwire is not a package
:[cut]
:
:   Which is all great until the tripwire database itself is tampered with.
A
:competent intruder would wipe it out as the first thing (s)he does. It is a
:darn sight more difficult to hack the MD5 sums on your Redhat Linux CDROM.
:
:> RPM's verification thing is nice, but I really wouldn't rely on it as a
:> replacement for tripwire.
:
:   And I would not trust my tripwire database once my system has been
:compromised.
:
:Regards,
:
:/������������������������������T�����������������������������������������\
:| Rask Ingemann Lambertsen     | [EMAIL PROTECTED] |
:| Registered Phase5 developer  | WWW: http://www.gbar.dtu.dk/~c948374/   |
:| A4000, 775 kkeys/s (RC5-64)  | "ThrustMe" on XPilot and EFnet IRC      |
:|   Life starts at '030, fun starts at '040, impotence starts at '86.    |
:
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