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Re: new users



On Tue, 2005-10-18 at 23:21 +0000, Andrew M.A. Cater wrote:
> On Tue, Oct 18, 2005 at 11:44:57PM +0100, m@de-minimis.co.uk wrote:
> > 
> > >I'm slowly developing myself a web-toolbox that I can access from
> > >anywhere.  Anyone know where I can get a web-based antivirus client
> > >(applet) for windows that I can host for personal use?  Oh and how about
> > 
> 
> Not really prcticable: as ever, for most decent Windows based software
> you need to pay. AVG might have something - but see Max's cogent comments
> below: it is almost infeasible to put something in place without weakening
> your security impossibly.  How do you virus check the web applet you
> put on your machine for the first time? (And, indeed, do you open your machine'shard disk to the world on the other end of your 'Net connection? "Virus found: 
> will disinfect files" - subvert that and over the Internet and you have a fun 
> way to wipe people's data from their lives ... )
> 
> > You could have an applet that scanned documents but you haven't a hope of 
> > doing a full antivirus with an applet.  The whole "applet inside sandbox 
> > where it can't hurt mummy" strategy also means that the applet can't read 
> > arbitrary files or watch process behaviour - and I'd hope so too!  At 
> > least that's the default security setting.  I've never looked for ways of 
> > loosening those settings, maybe they exist.  Mommy, remember to lock the 
> > computer down after you've finished fixing her up!  A java application - 
> > more scope for that.
> > 
> 
> Should you need to virus scan a machine that you fear may be infected:
> boot a Knoppix disk (which runs Linux in a RAM disk without touching the
> hard drive particularly) and use ClamAV from there.
> 
> Should you be wiped out with a virus that proves ineradicable, Helix
> is one form of disk forensics tool which may be used to reconstitute
> your files if the worst happens. Also Knoppix based, as is the 
> Penguin Sleuth Kit
> 
> HTH,
> 
> Andy

I agree that it's probably not a good idea to allow so much system
control to a java applet...

I know that live cd's are great troubleshooting tools, unfortunately I
don't always carry one and murphys law guarantees that it will be most
valuable when I don't have one handy.



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