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N66U ARP Compromised?

izak

Occasional Visitor
I got a popup from Norton this morning that a mac address on Unidentified network was accessing files from my computer. Norton stated this was being done via ARP Spoofing. So, I log into my Asus AC88U and find that mac address mentioned is the N66U which I basically converted into a switch as you can see in this message thread.
https://www.snbforums.com/threads/use-the-n66u-as-a-plain-old-switch.33822/
So, my N66U is now a suspicious device. I was concerned, but didn’t think that it would be possible for the N66U to be compromised in this way. In internet routing terms, it is behind my AC88U. I’m using the N66U as to connect two Tivo units to each other and simultaneously to my AC88U. Not having time to dig into it, I just pulled the power plug on the N66U; which is affective, but not the way that I can leave it.

The Tivos need internet access to keep the program guides up to date.

1) Can the N66U be compromised or is this spoofing being done somewhere far away with someone else equipment?

2) Can I block the N66U from any access to my home network other than the Tivos and internet? Can this be done so that it runs like its own separate small network through the AC88U?

3) Is it time to get better equipment; if so, what should I be looking for? I am not a gamer.

4) Could it be that Norton is just trying to validate their worth?
Thank you!
 
It's just Norton giving you a false message. That said, the advice from 9 years ago still stands - replace it with a cheap gigabit switch.
 

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