[NeMo-DDoS-List] FW: [Geant NeMo] #223725 END WARN: IUCC (AS378) - "4 alerts" [IUCC] [Customer] [Email_Analysis]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at host.geant.org <nemo-ddos at host.geant.org>
Sent: Monday, December 8, 2025 12:31:13 AM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #223725 END WARN: IUCC (AS378) - "4 alerts" [IUCC] [Customer] [Email_Analysis]

Observed <= 0 alerts, closing.Alert closed.

Alert ID: 223725
Status: Closed
Severity: Warning

Start Time: 2025-12-07 22:19:01
End Time: 2025-12-07 22:31:03
Start Time (Europe/Berlin): 2025-12-07 23:19:01
End Time (Europe/Berlin): 2025-12-07 23:31:03
Duration: 13 min

First Event Seen: 2025-12-07 22:16:00
Last Event Seen: 2025-12-07 22:21:00
Event Count: 18

Trigger: Multiple Alerts (ID 31)

Alert Description:
Aggregated 4 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          18

Child Alerts:
  Alert ID                    Description
--------------------------------------------------------------
223723      Abnormal ratio of SYN packets to ACK packets.
223724      High SYN packet rate.
223726      High TCP packet rate.
223727      High packet rate.


Further Details:
https://secondary.nemo.geant.org/alerts/details/223725/

All times expressed in UTC.