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SV: SV: Ext3 destroying ownerships and permissions



> There are so many "layers" involved in analyzing this sort of problem,
> there must be a reasonable, systematic approach to rule out
> things that
> may be going on at other "layers."
>
> Other potential variables, which may or may not apply to you, this is
> just speculation:  NIS weirdness (or LDAP), NFS UID mapping problems,
> trojan executables or buffer overrun exploits.  If you are
> using NIS or LDAP for anything, I would suspect that as a strong
potential
> source of

No. No LDAP, no NFS, no NIS.

> Attempted RPC exploits against an NFS server could probably cause
> mysterious UID and permission changes.  Someone could be
> trying to give
> SUID root to an executable or script file through a buffer overrun.  I

We have no RPC services running at all.

/Johan





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