[NeMo-DDoS-List] FW: [Geant NeMo] #243662 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: Monday, April 20, 2026 8:17:21 PM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #243662 END WARN: IUCC (AS378) - "4 alerts" [Customer] [IUCC] [Email_Analysis]

Observed <= 0 alerts, closing.Alert closed.

Alert ID: 243662
Status: Closed
Severity: Warning

Start Time: 2026-04-20 17:05:41
End Time: 2026-04-20 17:17:09
Start Time (Europe/Berlin): 2026-04-20 19:05:41
End Time (Europe/Berlin): 2026-04-20 19:17:09
Duration: 12 min

First Event Seen: 2026-04-20 17:03:00
Last Event Seen: 2026-04-20 17:07:00
Event Count: 19

Trigger: Multiple Alerts (ID 31)

Alert Description:
Aggregated 4 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          19

Child Alerts:
  Alert ID                    Description
--------------------------------------------------------------
243659      High SYN packet rate.
243660      High TCP packet rate.
243661      High packet rate.
243663      Abnormal ratio of SYN packets to ACK packets.


Further Details:
https://secondary.nemo.geant.org/alerts/details/243662/

All times expressed in UTC.