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Citrix - DTLS Amplification Distributed Denial of Service Attack on Citrix ADC

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vielleicht wird es jetzt zur Tradition. ;) Ich fand es auch nicht "so tragisch" wie im letzten Jahr. Wer DTLS nicht abschalten will (oder kann), sollte die Situation per "DTLS Cookie" verbessern können: https://msandbu.org/citrix-netscaler-ddos-and-deep-dive-dtls-protocol/


Man sollte halt prüfen, ob der derzeitige Build davon betroffen ist:


This is by default set to not enabled. I have seen that this stops the attacks, but the problem is that this feature can make your ADC stop responding because of memory leaks on certain builds.




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