Among the Host of Troubles attacks we found, cache poisoning attacks that target transparent caches are the most serious threat against current Internet (See demos). Our measurement study shows that around 97% of users served by a transparent cache are subject to the attacks.

With this online checker, we provide a tool for you to automatically evaluate whether you are vulnerable to the cache poisoning attacks. To complete this online test, you need to make sure Flash is enabled in your browser.

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