[NeMo-DDoS-List] FW: [Geant NeMo] #243399 END WARN: IUCC (AS378) - "4 alerts" [Customer] [IUCC] [Email_Analysis]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at host.geant.org <nemo-ddos at host.geant.org>
Sent: Sunday, April 19, 2026 9:24:18 PM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #243399 END WARN: IUCC (AS378) - "4 alerts" [Customer] [IUCC] [Email_Analysis]

Observed <= 0 alerts, closing.Alert closed.

Alert ID: 243399
Status: Closed
Severity: Warning

Start Time: 2026-04-19 18:13:54
End Time: 2026-04-19 18:24:05
Start Time (Europe/Berlin): 2026-04-19 20:13:54
End Time (Europe/Berlin): 2026-04-19 20:24:05
Duration: 11 min

First Event Seen: 2026-04-19 18:11:00
Last Event Seen: 2026-04-19 18:13:00
Event Count: 12

Trigger: Multiple Alerts (ID 31)

Alert Description:
Aggregated 4 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          12

Child Alerts:
  Alert ID                    Description
--------------------------------------------------------------
243396      High packet rate.
243397      High SYN packet rate.
243398      High TCP packet rate.
243400      Abnormal ratio of SYN packets to ACK packets.


Further Details:
https://secondary.nemo.geant.org/alerts/details/243399/

All times expressed in UTC.