nanog mailing list archives

Re: Looking for contact within Comcast Xfinity


From: "Aaron C. de Bruyn via NANOG" <nanog () nanog org>
Date: Tue, 23 Aug 2022 06:45:23 -0700

I ran into this a few days ago.

Both the random agent I talked to and our sales rep said they can't disable
the security edge service without increasing the cost of service for all of
our accounts.

Apparently it costs more to not molest DNS traffic leaving your network.

They can temporarily disable it, but they said it will turn back on when
the modem is rebooted.

It seems to only affect TCP and UDP port 53.

I fixed it by setting all of our routers to use DoH and DoT exclusively.
They can't intercept and molest that traffic.

-A



On Tue, Aug 23, 2022, 05:39 Michael Brown <michael () supermathie net> wrote:

If anyone from Comcast Xfinity is on this list, can you please reach out
to me?

We're getting increased reports of xFi Advanced Security customers being
unable to access hosted sites and attempting to open tickets has had no
success.

Thanks,

Michael Brown



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