[NeMo-DDoS-List] FW: [Geant NeMo] #194211 UPD CRIT: IUCC (AS378) - "High ACK packet rate: 715k ACK Packets/s" [IUCC] [Customer] [Email_Analysis]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at geant.org <nemo-ddos at geant.org>
Sent: Saturday, October 7, 2023 6:40:00 PM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #194211 UPD CRIT: IUCC (AS378) - "High ACK packet rate: 715k ACK Packets/s" [IUCC] [Customer] [Email_Analysis]

Critical: Observed high ACK packet rates of
  715k ACK Packets/s
on
  autonomoussystem IUCC (AS378).

Alert ID: 194211
Status: Open
Severity: Critical

Start Time: 2023-10-07 15:24:54
End Time: ongoing
Start Time (Europe/Berlin): 2023-10-07 17:24:54
End Time (Europe/Berlin): ongoing
Duration: 15 min

First Event Seen: 2023-10-07 15:22:00
Last Event Seen: 2023-10-07 15:38:00
Event Count: 17

Trigger: High ACK Packet Rate (AS) (Email_Anal) (ID 63)

Alert Description:
High ACK packet rate

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          17



Further Details:
https://primary.nemo.geant.org/alerts/details/194211/

All times expressed in UTC.