[NeMo-DDoS-List] FW: [Geant NeMo] #244323 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: Wednesday, April 22, 2026 11:02:19 PM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #244323 END WARN: IUCC (AS378) - "4 alerts" [Customer] [IUCC] [Email_Analysis]

Observed <= 0 alerts, closing.Alert closed.

Alert ID: 244323
Status: Closed
Severity: Warning

Start Time: 2026-04-22 19:50:54
End Time: 2026-04-22 20:02:07
Start Time (Europe/Berlin): 2026-04-22 21:50:54
End Time (Europe/Berlin): 2026-04-22 22:02:07
Duration: 12 min

First Event Seen: 2026-04-22 19:48:00
Last Event Seen: 2026-04-22 19:52:00
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
--------------------------------------------------------------
244321      High TCP packet rate.
244322      High SYN packet rate.
244324      High packet rate.
244325      Abnormal ratio of SYN packets to ACK packets.


Further Details:
https://secondary.nemo.geant.org/alerts/details/244323/

All times expressed in UTC.