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by sir-alien 556 days ago
Could you not instead of using one nmap process to scan 200+ addresses, just instead initiate 200+ nmap processes scanning just one IP.

Still effectively hits your spoofing system but now they bring their time back down to what it would take to scan a single IP address.

I'm sure there are many other ways around this but like all security it's merely a case of making it difficult enough that an attacker would need serious incentive to make the attack.