No Open Hybrid Objects found in Reality Editor


I try the beta hardware interface. i’m able to set up a kodi instance.
Now i m trying the reality editor part. When i start it , i see traces of UPD message on the nodejs console, so i m sure it s roughtly OK. but no object listed in “Found Objects in the network”. may i miss something ?
Can you help ?
UDP issu in my network?

IoS 9.2/Iphone 5 on my operator wifi router.
Server on ubuntu

UPDATE: I miss a part in configuration. I m the weak item. I try to clear that post