DDoS attacks are currently ongoing against our DNS servers. Service has not been disrupted but IPv4 UDP requests to ns2.grapheneos.org are being filtered and forcing fallback to TCP. They've also tried targeting our website again and it held up well.
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Downtime for 0.grapheneos.org (North America grapheneos.org instance) was caused by the attackers exhausting 2GB of memory via nginx HTTP/2 despite an overall 4096 connection limit and 256 per IP. We've made adjustments to prevent this.
github.com/GrapheneOS/gra
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