[NeMo-DDoS-List] FW: [Geant NeMo] #382735 UPD WARN: IUCC (AS378) - "4 alerts" [IUCC] [Customer] [Email_Analysis]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at host.geant.org <nemo-ddos at host.geant.org>
Sent: Sunday, August 24, 2025 1:13:45 AM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #382735 UPD WARN: IUCC (AS378) - "4 alerts" [IUCC] [Customer] [Email_Analysis]

Aggregated 4 alerts. Upgraded to severity Warning.

Alert ID: 382735
Status: Open
Severity: Warning

Start Time: 2025-08-23 13:16:37
End Time: ongoing
Start Time (Europe/Berlin): 2025-08-23 15:16:37
End Time (Europe/Berlin): ongoing
Duration: 8 h, 57 min

First Event Seen: 2025-08-23 13:14:00
Last Event Seen: 2025-08-23 22:12:00
Event Count: 1070

Trigger: Multiple Alerts (ID 15)

Alert Description:
Aggregated 4 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)         1070

Child Alerts:
  Alert ID            Description
----------------------------------------------
382733      High SYN packet rate
382734      Abnormal SYN:ACK packet ratio
382806      High ACK packet rate
382807      High TCP packet rate


Further Details:
https://primary.nemo.geant.org/alerts/details/382735/

All times expressed in UTC.