Powerline/Homeplug on "red" Internet accessible segment?

[Morty_UA]

Dear all,

I'm not sure I understand the security model right here...

I have a couple of Netgear Powerline 500 adaptors. When I configure these, I can just connect a computer to the Ethernet port on the adapter, and launch Netgears software ... no password required to manage the adaptor.

I have a cable (coax) based Internet connection. Now, I'd like to use Powerline to move my router/AP to another room. So would be: ISP Coax to Ethernet Bridge --> Powerline Adaptor --> Powerline Adaptor --> Router/AP --> Local trusted LAN.

Is this secure? Is the management of the Powerline adaptor somehow restricted to non-routable packets that cannot traverse the ISP's bridge?

Or is this setup insecure, because Powerline should only be used on a trusted LAN?

 

[thiggins]

You can use a pair of powerline adapters just as you would use a long Ethernet cable.

All powerline packets are encrypted by default. The password change is to control access by other powerline adapters.