[NeMo-DDoS-List] FW: [Geant NeMo] #377437 UPD CRIT: IUCC (AS378) - "4 alerts" [IUCC] [Customer] [Email_Analysis]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at host.geant.org <nemo-ddos at host.geant.org>
Sent: Thursday, July 10, 2025 8:21:06 PM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #377437 UPD CRIT: IUCC (AS378) - "4 alerts" [IUCC] [Customer] [Email_Analysis]

Aggregated 4 alerts. Upgraded to severity Critical.

Alert ID: 377437
Status: Open
Severity: Critical

Start Time: 2025-07-10 17:15:51
End Time: ongoing
Start Time (Europe/Berlin): 2025-07-10 19:15:51
End Time (Europe/Berlin): ongoing
Duration: 6 min

First Event Seen: 2025-07-10 17:13:00
Last Event Seen: 2025-07-10 17:19:00
Event Count: 25

Trigger: Multiple Alerts (ID 15)

Alert Description:
Aggregated 4 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          25

Child Alerts:
  Alert ID            Description
----------------------------------------------
377435      Abnormal SYN:ACK packet ratio
377436      High SYN packet rate
377438      High packet rate
377439      High TCP packet rate


Further Details:
https://primary.nemo.geant.org/alerts/details/377437/

All times expressed in UTC.