@Sunshine Thank you very much for your answer.

@Sunshine Thank you very much for your help and the information. My problem is that there is a third powerline device at home which is out of my reach and I would like it not to be able to connect to...

@woozle Thank you very much for your answer. It is a pity. I think that it would be a very interesting option.

I am using two powerline adapters (TL-PA7017P KIT) and I have created a network using the pair button. I would like to know if it would be possible to protect my powerline network with a password in...