[NeMo-DDoS-List] FW: [Geant NeMo] #188289 UPD WARN: IUCC (AS378) - "Warning: Abnormal SYN:ACK ratio: 201k SYN Packets/s, 266k ACK Packets/s" [IUCC] [Customer] [Email_Analysis]
Hank Nussbacher
hank at mail.iucc.ac.il
Sat Sep 23 04:11:37 IDT 2023
________________________________________
From: nemo-ddos at geant.org <nemo-ddos at geant.org>
Sent: Saturday, September 23, 2023 4:11:27 AM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #188289 UPD WARN: IUCC (AS378) - "Warning: Abnormal SYN:ACK ratio: 201k SYN Packets/s, 266k ACK Packets/s" [IUCC] [Customer] [Email_Analysis]
Warning: Observed abnormal SYN:ACK packet ratio with
201k SYN Packets/s, 266k ACK Packets/s
on
autonomoussystem IUCC (AS378).
Alert ID: 188289
Status: Open
Severity: Warning
Start Time: 2023-09-23 01:04:13
End Time: ongoing
Start Time (Europe/Berlin): 2023-09-23 03:04:13
End Time (Europe/Berlin): ongoing
Duration: 8 min
First Event Seen: 2023-09-23 01:02:00
Last Event Seen: 2023-09-23 01:10:00
Event Count: 8
Trigger: Abnormal SYN / ACK Ratio (AS) (Email_Anal) (ID 59)
Alert Description:
Abnormal SYN:ACK packet ratio
Affected Objects:
Type Name Event Count
---------------------------------------------------
Autonomoussystem IUCC (AS378) 8
Further Details:
https://primary.nemo.geant.org/alerts/details/188289/
All times expressed in UTC.
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