So you know how you verify it's a firewall issue? You TAKE DOWN THE FIREWALL MOMENTARILY ON A PRODUCTION SERVER AND TRY TO PING IT.
Madness string 99384
Under normal circumstances the liar is defeated by reality, for which there is no substitute; no matter how large the tissue of falsehood that an experienced liar has to offer, it will never be large enough ... to cover the immensity of factuality.