Hello,

The pool of key servers looks like a central element of the OpenPGP global WoT 
and key synchronization across people.

I wonder what is the defense strategy of this pool against 2 very basic DoS 
attacks.

The first attack would be to just upload several To of keys to fulfill the 
available storage of these servers.

The second attack scenario would target a specific key by attaching to it a 
huge number of signatures that would make it very hard for anyone to download 
or refresh the targeted key.

Thank for helping me to understand how those scenarios are managed.

Piotr Chmielnicki
@piotrcki



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