[NeMo-DDoS-List] FW: [Geant NeMo] #244064 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: Wednesday, April 22, 2026 12:56:03 AM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #244064 UPD WARN: IUCC (AS378) - "4 alerts" [Customer] [IUCC] [Email_Analysis]

Aggregated 4 alerts. Upgraded to severity Warning.

Alert ID: 244064
Status: Open
Severity: Warning

Start Time: 2026-04-21 21:41:55
End Time: ongoing
Start Time (Europe/Berlin): 2026-04-21 23:41:55
End Time (Europe/Berlin): ongoing
Duration: 14 min

First Event Seen: 2026-04-21 21:39:00
Last Event Seen: 2026-04-21 21:54:00
Event Count: 16

Trigger: Multiple Alerts (ID 31)

Alert Description:
Aggregated 4 alerts.

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

Child Alerts:
  Alert ID                    Description
--------------------------------------------------------------
244065      High TCP packet rate.
244066      High packet rate.
244062      Abnormal ratio of SYN packets to ACK packets.
244063      High SYN packet rate.


Further Details:
https://secondary.nemo.geant.org/alerts/details/244064/

All times expressed in UTC.