[NeMo-DDoS-List] FW: [Geant NeMo] #406759 UPD WARN: IUCC (AS378) - "4 alerts" [IUCC] [Email_Analysis] [Customer]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at host.geant.org <nemo-ddos at host.geant.org>
Sent: Wednesday, February 18, 2026 8:51:45 PM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #406759 UPD WARN: IUCC (AS378) - "4 alerts" [IUCC] [Email_Analysis] [Customer]

Aggregated 4 alerts. Upgraded to severity Warning.

Alert ID: 406759
Status: Open
Severity: Warning

Start Time: 2026-02-18 18:49:24
End Time: ongoing
Start Time (Europe/Berlin): 2026-02-18 19:49:24
End Time (Europe/Berlin): ongoing
Duration: 3 min

First Event Seen: 2026-02-18 18:47:00
Last Event Seen: 2026-02-18 18:50:00
Event Count: 11

Trigger: Multiple Alerts (ID 15)

Alert Description:
Aggregated 4 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          11

Child Alerts:
  Alert ID            Description
----------------------------------------------
406757      High SYN packet rate
406758      Abnormal SYN:ACK packet ratio
406760      High packet rate
406761      High TCP packet rate


Further Details:
https://primary.nemo.geant.org/alerts/details/406759/

All times expressed in UTC.