Fix embedded protocol version handling

hblink.py

@@ -390,7 +390,6 @@ class OPENBRIDGE(DatagramProtocol):
                     _ber = _packet[53:54]
                     _rssi = _packet[54:55]
                     _embedded_version  = _packet[55]
-                    self._config['VER'] = _embedded_version
                     _timestamp = _packet[56:64]
                     _source_server = _packet[64:68]
                     _source_rptr = _packet[68:72]
@@ -408,7 +407,6 @@ class OPENBRIDGE(DatagramProtocol):
                     _ber = _packet[53:54]
                     _rssi = _packet[54:55]
                     _embedded_version  = _packet[55]
-                    self._config['VER'] = _embedded_version
                     _timestamp = _packet[56:64]
                     _source_server = _packet[64:68]
                     _source_rptr = b'\x00\x00\x00\x00'
@@ -423,6 +421,13 @@ class OPENBRIDGE(DatagramProtocol):
                 _stream_id = _data[16:20]
 
                 if compare_digest(_hash, _ckhs) and (_sockaddr == self._config['TARGET_SOCK'] or self._config['RELAX_CHECKS']):
+                    if _embedded_version == 2 or _embedded_version == 3 or _embedded_version > 5:
+                        logger.info('(%s) FreeBridge embedded packet version not supported, Ver: %s', self._system, _embedded_version)
+                        return
+                    elif _embedded_version > self._config['VER']:
+                        logger.info('(%s) FreeBridge embedded packet version upgrade, Ver: %s', self._system, _embedded_version)
+                        self._config['VER'] = _embedded_version
+
                     _peer_id = _data[11:15]
                     if self._config['NETWORK_ID'] != _peer_id:
                         if _stream_id not in self._laststrid: