Re: mysterious/suspicious internet activity.

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On 2020-12-03 19:40, home user wrote:

I was asked about this system.
* comcast(my ISP) connected via metal wire cable to Arris phone modem
connected via ethernet cable (yellow) to the workstation tower port.

Yellow?  Is that safe?  (Joke.)

Sometimes what users think is just a "modem" also contains a small router and enough of a firewall to do NAT. Sometimes (as with my cable-tv vendor broadband in the UK) the user can, as I have, elect to use the "modem" in modem-only mode (which is to say I've turned off the router/firewall part)
and use a separate router/firewall one step further into my network.

Do you have any idea if your "modem" is just-a-modem, or more than that?

Eg if you've ever logged-in to it, does it have firewall-ish functions?

Do you know the model-number of the modem?



--
Jeremy Nicoll - my opinions are my own
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