We've seen in the firewall's log of transparent proxy this messege from different ips repeteadly :
Apr 21 21:28:55 moria kernel: TCP: Treason uncloaked! Peer external_ip/80 shrinks window 1466359669:1466360884. Repaired.
We've googling, but we dont know if is an attack or a bad negotiation. Any suggestion?
Thanks Emilio C.
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