Datum a čas: 2023-12-17 14:00 CET Očekavaná délka: 60 minut Oznámení se týká serverů: Brno Typ výpadku: network Důvod: Vypadky site kvuli DDoS Výpadek řeší: Pavel Šnajdr, Jakub Skokan
Jeden ze clenu byl zasazen prichozim DDoSem, ktery vygradoval postupne pres 40 Gbit. Snazili jsme se ho zablokovat filtrovanim na strane naseho ISP (MasterDC), ale museli jsme odstavit celou cilovou IP adresu, abychom se vyhnuli packet lossu, jak se ten DDoS zvetsoval pridavanim novych zdrojovych adres.
ENGLISH: Date and time: 2023-12-17 14:00 CET Expected duration: 60 minutes Affected systems: Brno Outage type: network Reason: Network issues due to DDoS Handled by: Pavel Šnajdr, Jakub Skokan
One of our members experienced incoming DDoS, which escalated to over 40 Gbps. We've tried to block it through filtering at our ISP level (MasterDC), but had to block the whole IP to mitigate ongoing packet loss as the DDoS kept increasing by adding new sources.
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