Re: thoughts on memory usage...

From: Oskar Pearson <oskar@dont-contact.us>
Date: Thu, 21 Aug 1997 11:00:36 +0200

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Hi

> >In for a penny, in for a pound. If you trust MD5, which bother sending
> >the entire URL over in the ICP? that's just a waste of bandwidth and
> >CPU time. Just send over the md5 signature.... half a :)
>
> Well, agreed. A new ICP query which talked with MD5/HSA sum instead of
> URL to compatible caches would work. But recieving an old ICP query you
> have to do the MD5/HSA hash (cheap on small strings) - not a problem. The
hmm. This opens up a potential denial-of-service attack.... you could
completely trash a cache-machine's CPU by making a few thousand queries
a second. Of course, a few thousand a second would probably kill any
box right now anyway.

Oskar

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Received on Tue Jul 29 2003 - 13:15:42 MDT

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