3 ms·
> Is this really a significant privacy issue? Server can deduce which items (I use word "item" to refer to a resource cache entry) are missing from client cache
by zeveb 10y ago
> Is this really a significant privacy issue? Server can deduce which items (I use word "item" to refer to a resource cache entry) are missing from client cache just by monitoring follow-up requests by the client.
Conceivably, a server could generate random null resources which are cached by the client and can then be used, as the GP indicates, to identify it — yet another supercookie.
- vardump 10y agoI think the only way not to leak any information through caching is not to cache anything. What do you think about my bloom filter idea?
- zeveb 10y ago> What do you think about my bloom filter idea? It sounds interesting, but I suspect that you're right that caching leaks no matter what — I wonder if it's almost like compression in that sense (and we remember how compression impacts HTTPS!).