[NeMo-DDoS-List] FW: [Geant NeMo] #256632 UPD CRIT: IUCC (AS378) - "3 alerts" [Customer] [Email_Analysis] [IUCC]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at host.geant.org <nemo-ddos at host.geant.org>
Sent: Tuesday, July 21, 2026 3:40:10 AM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #256632 UPD CRIT: IUCC (AS378) - "3 alerts" [Customer] [Email_Analysis] [IUCC]

Aggregated 3 alerts. Upgraded to severity Critical.

Alert ID: 256632
Status: Open
Severity: Critical

Start Time: 2026-07-21 00:35:55
End Time: ongoing
Start Time (Europe/Berlin): 2026-07-21 02:35:55
End Time (Europe/Berlin): ongoing
Duration: 5 min

First Event Seen: 2026-07-21 00:33:00
Last Event Seen: 2026-07-21 00:38:00
Event Count: 16

Trigger: Multiple Alerts (ID 31)

Alert Description:
Aggregated 3 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          16

Child Alerts:
  Alert ID        Description
--------------------------------------
256629      High packet rate.
256630      High TCP packet rate.
256631      High ACK packet rate.


Further Details:
https://secondary.nemo.geant.org/alerts/details/256632/

All times expressed in UTC.