[NeMo-DDoS-List] FW: [Geant NeMo] #242151 UPD 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: Thursday, April 16, 2026 1:56:06 AM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #242151 UPD WARN: IUCC (AS378) - "4 alerts" [Customer] [IUCC] [Email_Analysis]

Aggregated 4 alerts. Upgraded to severity Warning.

Alert ID: 242151
Status: Open
Severity: Warning

Start Time: 2026-04-15 22:55:53
End Time: ongoing
Start Time (Europe/Berlin): 2026-04-16 00:55:53
End Time (Europe/Berlin): ongoing
Duration: 1 min

First Event Seen: 2026-04-15 22:53:00
Last Event Seen: 2026-04-15 22:54:00
Event Count: 8

Trigger: Multiple Alerts (ID 31)

Alert Description:
Aggregated 4 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          8

Child Alerts:
  Alert ID                    Description
--------------------------------------------------------------
242148      High TCP packet rate.
242149      High SYN packet rate.
242150      Abnormal ratio of SYN packets to ACK packets.
242152      High packet rate.


Further Details:
https://secondary.nemo.geant.org/alerts/details/242151/

All times expressed in UTC.