how to deal with port scan and brute force attack from AS 8075 ?

Brandon Vincent Brandon.Vincent at
Mon Apr 4 03:54:01 UTC 2016

On Thu, Mar 31, 2016 at 4:41 AM, DV <iamzam at> wrote:
> I have noticed this and especially the strange format of the packets with a
> SYN/ECE/CWR flag combination:
> This may be $whoever trying to establish network performance/congestion via
> ECN or it could be something else like a fast scan technique or OS
> fingerprinting

It's OS fingerprinting. Targeted attacks are far more productive. If
I'm trying to get into an organization, I'd much rather be interested
in Juniper ScreenOS than someone's personal *nix machine.

Brandon Vincent

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