Why not proxy all the communications with the parking authority through the Fixed app, instead of sending them directly from your servers? It seems like this (or something similar) would make it much harder to &quot;block&quot; Fixed. And the parking authorities have no teason not to block you, especially when it&#x27;s so easy as blocking a list of known ip addresses. (Barring an injunction in your favor or something)<p>You&#x27;re doing god&#x27;s work &lt;3