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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Draft BIP for Bloom filtering
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> What is the worst-case for an attacker interested in trying to get you
> to saturate your upstream bandwidth or use lots of memory?  Set a
> bloom filter that matches everything, and then start requesting old
> blocks in the chain?

It would be slightly worse than shipping a full block but not seriously so.

If you just want to saturate bandwidth or disk IOPS you could probably
just request random blocks over and over again.