[geeks] Zyxel PLA4201 v2

Mouse mouse at Rodents-Montreal.ORG
Wed Mar 18 16:56:10 CDT 2020


I have - borrowed from a cow-orker - two Zyxel "PLA4201 v2" powerline
Ethernet bridges.  I found Zyxel's user manual for it, which makes it
clear it's got some intelligence onboard with some kind of control
protocol (there's admin software which can do assorted things).

I'm not fond of exposing my packets to anyone else too electrically
close to me; since I'm in a highrise, that is probably a significant
number of people.  Even if I were willing to run a vendor binary-only
blob - which of course I'm not - their manual doesn't describe any
admin software that would run on my machines; it's Windows and Mac and
nothing else.  And the device has apparently been EOLed by Zyxel, so
I'd be unlikely to be able to get even what little support they might
have provided when it was live.

It _might_ be safe to just use the encryption features it's got.  But
I've heard of enough disasters in closed-source vendor software - and
seen a few myself - that I don't trust it.

So I thought I'd ping the accumulated knowledge of geeks at .  I don't
suppose any of you happen to know anything about the firmware or
control protocol or anything else useful?

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