code: def service_confirmation(self, conn, bslpdu):
          
          if _debug: ProxyServerService._debug("service_confirmation %r %r", conn, bslpdu)
  
          # make sure there is an adapter for it - or something went wrong
          if not getattr(conn, 'proxyAdapter', None):
              raise RuntimeError("service confirmation received but no adapter for it")
  
          # forward along
          conn.proxyAdapter.service_confirmation(bslpdu)
docs: Receive packets forwarded by the proxy and redirect them to the proxy network adapter.