Incapsula response is different however: at some point we urgently needed to implement a DDoS protection using GRE tunnels. An Incapsula eng spoke with us as if

Incapsula response is different however: at some point we urgently needed to implement a DDoS protection using GRE tunnels. An Incapsula eng spoke with us as if he was challenging us to a programming competition puzzle: "I can tell you that you are big enough to implement GRE only if you can answer "yes" to these four networking questions". We went with Verisign as the result, they made things look simpler