linux-kernel - Re: [PATCH 0/5] VFS: DazukoFS, stackable-fs, file access control

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Message-ID: <20081223115428.GB1439@ucw.cz>
Date:	Tue, 23 Dec 2008 12:54:28 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	John Ogness <dazukocode@...ess.net>
Cc:	linux-kernel@...r.kernel.org, viro@...iv.linux.org.uk,
	malware-list@...ts.printk.net, eparis@...hat.com,
	hch@...radead.org, alan@...rguk.ukuu.org.uk
Subject: Re: [PATCH 0/5] VFS: DazukoFS, stackable-fs, file access control

Hi!

> MOTIVATION
> 
> Since 2001 various anti-virus vendors have been providing out-of-tree
> solutions for online virus scanning. Although GNU/Linux systems
> currently are not targets of virus authors, many organizations are
> interested in online virus scanning on Linux-based servers in order to
> help protect Microsoft Windows clients. It is often argued that file
> scanning should be implemented in the various services (such as Samba,
> Apache, vsftpd, etc.), and indeed many such solutions have been
> implemented. However, there is a continued demand for a kernel-based
> solution because it can guard the entire filesystem independent from
> the types and numbers of services running on a system.

Somewhere here you should mention that unlike other solutions that
work 100% of time, dazuko is be design racy and may still allow
viruses to be spread from linux system when mmap is used.
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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