Currently (I don't know about the reverse HTTP Proxy in V8), your webserver must handle this after you DNAT all incoming web service traffic to it: 'Internet -> Web Surfing -> External (Address) : DNAT to Webserver' (leave 'Destination service' blank!).
Currently (I don't know about the reverse HTTP Proxy in V8), your webserver must handle this after you DNAT all incoming web service traffic to it: 'Internet -> Web Surfing -> External (Address) : DNAT to Webserver' (leave 'Destination service' blank!).