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SubjectRe: caps in elf headers: use the sticky bit!
Theodore Y. Ts'o writes:
> Date: Thu, 15 Apr 1999 16:07:35 -0700 (PDT)
> From: David Lang <>
> As for the NFS issue, there are situations where NFS can be used in a
> (at least semi)secure environment. If the NFS traffic is on a dedicated
> LAN (often done for performance anyway) then the only way that NFS can be
> a problem is if one of your machines in hacked into anyway. The ability to
> use capabilities on NFS mounted files would significantly help in server
> farm situations.
> So if I can manage to hack into one of your machines, (say, the one
> which is running the sendmail that didn't get updated to fix the
> sendmail security bug of the week) I get to break into all of the
> rest?!?

Exactly how does hacking a client mean that all clients are
compromised? The NFS area can be exported read-only to prevent this.



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