[NeMo-DDoS-List] FW: [Geant NeMo] #258320 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: Saturday, August 1, 2026 12:19:13 PM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #258320 UPD CRIT: IUCC (AS378) - "3 alerts" [Customer] [Email_Analysis] [IUCC]

Aggregated 3 alerts. Upgraded to severity Critical.

Alert ID: 258320
Status: Open
Severity: Critical

Start Time: 2026-08-01 09:15:08
End Time: ongoing
Start Time (Europe/Berlin): 2026-08-01 11:15:08
End Time (Europe/Berlin): ongoing
Duration: 4 min

First Event Seen: 2026-08-01 09:12:00
Last Event Seen: 2026-08-01 09:17:00
Event Count: 15

Trigger: Multiple Alerts (ID 31)

Alert Description:
Aggregated 3 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          15

Child Alerts:
  Alert ID        Description
--------------------------------------
258321      High ACK packet rate.
258318      High TCP packet rate.
258319      High packet rate.


Further Details:
https://secondary.nemo.geant.org/alerts/details/258320/

All times expressed in UTC.