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Merge pull request #2905 from lucas-clemente/improve-packet-number-generator

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various improvements to the packet number generator
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Marten Seemann 2020-12-15 10:15:31 +07:00 • committed by GitHub
commit 486738981f
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4 changed files with 122 additions and 97 deletions
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8
internal/protocol/params.go
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@ -48,8 +48,12 @@ const MaxServerUnprocessedPackets = 1024
// MaxSessionUnprocessedPackets is the max number of packets stored in each session that are not yet processed.
const MaxSessionUnprocessedPackets = 256
// SkipPacketAveragePeriodLength is the average period length in which one packet number is skipped to prevent an Optimistic ACK attack
const SkipPacketAveragePeriodLength PacketNumber = 500
// SkipPacketInitialPeriod is the initial period length used for packet number skipping to prevent an Optimistic ACK attack.
// Every time a packet number is skipped, the period is doubled, up to SkipPacketMaxPeriod.
const SkipPacketInitialPeriod PacketNumber = 256
// SkipPacketMaxPeriod is the maximum period length used for packet number skipping.
const SkipPacketMaxPeriod PacketNumber = 128 * 1024
// MaxAcceptQueueSize is the maximum number of sessions that the server queues for accepting.
// If the queue is full, new connection attempts will be rejected.