On Fri, 2002-05-17 at 14:36, [EMAIL PROTECTED] wrote:
> 
> In a message dated: Fri, 17 May 2002 13:25:47 EDT
> mike ledoux said:
> 
> >I'm facing some pressure here of the 'if this was an NT server,
> >this wouldn't be a problem' variety, so I'm really hoping that there
> >is a known solution for this problem.  Google was pretty unhelpful
> >on this, turning up a bunch of links that all ultimately led to
> >http://sourceforge.net/projects/openantivirus/, which appears very much
> >to be not ready for prime-time yet.
> 
> I didn't know NT could do this either.  Samba only mimics an NT 
> server from the network file system level, it doesn't replicate the 
> whole OS under Linux.

If you have the server edition of a virus scanner, it can do on-access
scan from the server side.

> In order to do this, you'd have somehow intercept the write-to-disk
> calls that Linux is performing, or, have Samba pipe the output stream 
> through a virus scanning utility before it sends that data stream to 
> the Linux kernel to be written to disk.  I have no idea how you'd do 
> this.  How does NT do it?  Do they really scan the data stream before 
> it gets written to disk?  I mean, that's pretty cool, but also 
> insanely in-efficient (hmm, Windows, in-efficiency, okay, so I'm a 
> little redundant here:)

Take a look at http://www.openantivirus.org/projects.php
and samba-vscan.  Looks like it uses the VFS later to intercept
writes/reads(?) and does a scan.

-Mark


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