nanog mailing list archives

Re: Stop IPv6 Google traffic


From: "Ricky Beam" <jfbeam () gmail com>
Date: Mon, 11 Apr 2016 17:26:20 -0400

On Mon, 11 Apr 2016 17:03:02 -0400, Rubens Kuhl <rubensk () gmail com> wrote:
If that were the case, they'd be seeing the same via IPv4. And apparently,
they aren't.


Nope. If you have both A and AAAA IP addresses in DNS responses and have
both IPv4 and IPv6 connectivity, IPv6 will be preferred, with even a bit

You misunderstood. If they disable IPv6, then their "attacks" would continue via IPv4, thus getting IPv4 similarly blacklisted. This is not happening -- hence the plan of blocking IPv6.

While it's possible there's some IPv6 specific "spambot" (adbot, whatever) running, I doubt it.


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