On Nov 6, 2024, at 11:01, Warren Kumari <warren@kumari.net> wrote:

So, who here remembers "BlackICE Defender"?

It was MS Windows software which would watch for and protect against "attacks", draw pretty charts and graphs, and also "report the attack to the attackers ISP".

They did improve slightly over time, but things which it initially viewed as an attack were nefarious things like "you sent me an ICMP echo-request"...

W

On Tue, Nov 5 2024 at 10:21 PM, Mike Lewinski <nanog@nanog.org> wrote:

We got two of these yesterday for addresses that are not ours. One was sort of adjacent... and seemed plausibly fat-fingered.

204.144.161.0 ≠ 204.144.151.0

We will definitely filter out anything further. Thanks for the heads-up.