feat: add udp packet ratelimiting #8406
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Co-authored-by: Federico Gimenez <fgimenez@users.noreply.github.com>
rkrasiuk
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Co-authored-by: Federico Gimenez <fgimenez@users.noreply.github.com>
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Co-authored-by: Federico Gimenez <fgimenez@users.noreply.github.com>
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Introduces a simple form of ip based rate limiting for discv4
this solution is very primitive and targets 1req/s which is decreased every 30s tick.
There are some caveats here, if there's a DoS attacker that constantly sends new messages at a higher rate then this peer will effectively be ignored indefinitely.