[NeMo-DDoS-List] FW: [Geant NeMo] #376119 UPD CRIT: IUCC (AS378) - "High SYN packet rate: 292k SYN Packets/s" [IUCC] [Customer] [Email_Analysis]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at host.geant.org <nemo-ddos at host.geant.org>
Sent: Thursday, June 19, 2025 3:24:39 PM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #376119 UPD CRIT: IUCC (AS378) - "High SYN packet rate: 292k SYN Packets/s" [IUCC] [Customer] [Email_Analysis]

Critical: Observed high SYN packet rates of
  292k SYN Packets/s
on
  autonomoussystem IUCC (AS378).

Alert ID: 376119
Status: Open
Severity: Critical

Start Time: 2025-06-19 12:19:25
End Time: ongoing
Start Time (Europe/Berlin): 2025-06-19 14:19:25
End Time (Europe/Berlin): ongoing
Duration: 6 min

First Event Seen: 2025-06-19 12:17:00
Last Event Seen: 2025-06-19 12:23:00
Event Count: 7

Trigger: High SYN Packet Rate (AS) (Email_Analysis+threshold) (ID 60)

Alert Description:
High SYN packet rate

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          7



Further Details:
https://primary.nemo.geant.org/alerts/details/376119/

All times expressed in UTC.