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From: Florian Weimer <fw@deneb.enyo.de>
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Subject: Re: unsafep - Malicious code detector
Date: Mon, 13 May 2002 21:04:55 +0200
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Richard Stallman <rms@gnu.org> writes:

>     ;; This is a simplistic implementation that does not allow any access to
>     ;; files or buffers or global variables.
>
> Why not allow read-access to files, buffers and global variables?

Read access to files opens covert channels (using the file atime).