Вопрос 2025 Защита сервера от nbt експлойтов (attack client)

A

acv

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Приветствую! Не так давно наткнулся на так называемый attack client, который больше всего нацелен на использование разных exploit на сервере майнкрафт. Отсылая пакеты или спамя ими. Основные последствия в том, что сервер не ложиться, в привычном понимании, а просто нагружается сетевой обработчик самого сервера, от чего по всем ядрам подскакивает нагрузка или же взлетает пинг у игроков на сервере, и решается только, когда они перезайдут.
Помню, на ядрах 1.16.5 был такой екслойт от чита liquid bounce, сервер просто выключался, связанно было с nbt, ну и на 1.21.4 тоже что то подобное работает.
В общем как я понял это что то новое, потому что заставляют пинговать даже holly world и иностранные сервера.

Есть плагины которые могут срезать такие атаки? packetevents конечно тяжелые пакеты более 1мб отбрасывает но и пинг у игроков может взлететь.

При атаке, спамит что то подобное:
[21:57:21] [Netty Epoll Server IO #3/WARN]: [com.github.retrooper.packetevents.PacketEventsAPI] PacketEvents caught an unhandled exception while calling your listener.
java.lang.IllegalArgumentException: NBT size limit reached (1048556/1048576)
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.NBTLimiter$2.increment(NBTLimiter.java:73) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.DefaultNBTSerializer.lambda$new$18(DefaultNBTSerializer.java:121) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.readTag(NBTSerializer.java:114) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.DefaultNBTSerializer.lambda$new$20(DefaultNBTSerializer.java:141) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.readTag(NBTSerializer.java:114) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.deserializeTag(NBTSerializer.java:62) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.codec.NBTCodec.readNBTFromBuffer(NBTCodec.java:161) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.codec.NBTCodec.readNBTFromBuffer(NBTCodec.java:154) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readNBTRaw(PacketWrapper.java:523) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.component.builtin.item.ItemRecipes.read(ItemRecipes.java:39) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.component.StaticComponentType.read(StaticComponentType.java:75) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.readModern(ItemStackSerialization.java:151) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.readModern(ItemStackSerialization.java:107) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.read(ItemStackSerialization.java:44) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readItemStack(PacketWrapper.java:494) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.play.client.WrapperPlayClientClickWindow.read(WrapperPlayClientClickWindow.java:130) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readEvent(PacketWrapper.java:287) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.<init>(PacketWrapper.java:169) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.<init>(PacketWrapper.java:159) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.play.client.WrapperPlayClientClickWindow.<init>(WrapperPlayClientClickWindow.java:68) ~[packetevents-spigot-2.9.5.jar:?]
at pvpclub-FasterCrystals-2.0.1.jar/xyz.reknown.fastercrystals.listeners.packet.LastPacketListener.getAnimPacket(LastPacketListener.java:75) ~[pvpclub-FasterCrystals-2.0.1.jar:?]
at pvpclub-FasterCrystals-2.0.1.jar/xyz.reknown.fastercrystals.listeners.packet.LastPacketListener.onPacketPlayReceive(LastPacketListener.java:49) ~[pvpclub-FasterCrystals-2.0.1.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.SimplePacketListenerAbstract.onPacketReceive(SimplePacketListenerAbstract.java:49) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.PacketReceiveEvent.call(PacketReceiveEvent.java:44) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.EventManager.callEvent(EventManager.java:84) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.util.PacketEventsImplHelper.handleServerBoundPacket(PacketEventsImplHelper.java:101) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.read(PacketEventsDecoder.java:59) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.decode(PacketEventsDecoder.java:76) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.decode(PacketEventsDecoder.java:42) ~[packetevents-spigot-2.9.5.jar:?]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:91) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:202) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:164) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:289) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flush.FlushConsolidationHandler.channelRead(FlushConsolidationHandler.java:152) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:799) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:501) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:399) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.115.Final.jar:4.1.115.Final]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.115.Final.jar:4.1.115.Final]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
[21:57:21] [Netty Epoll Server IO #3/WARN]: [com.github.retrooper.packetevents.PacketEventsAPI] PacketEvents caught an unhandled exception while calling your listener.
java.lang.IllegalArgumentException: NBT size limit reached (1048556/1048576)
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.NBTLimiter$2.increment(NBTLimiter.java:73) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.DefaultNBTSerializer.lambda$new$18(DefaultNBTSerializer.java:121) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.readTag(NBTSerializer.java:114) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.DefaultNBTSerializer.lambda$new$20(DefaultNBTSerializer.java:141) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.readTag(NBTSerializer.java:114) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.deserializeTag(NBTSerializer.java:62) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.codec.NBTCodec.readNBTFromBuffer(NBTCodec.java:161) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.codec.NBTCodec.readNBTFromBuffer(NBTCodec.java:154) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readNBTRaw(PacketWrapper.java:523) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.component.builtin.item.ItemRecipes.read(ItemRecipes.java:39) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.component.StaticComponentType.read(StaticComponentType.java:75) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.readModern(ItemStackSerialization.java:151) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.readModern(ItemStackSerialization.java:107) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.read(ItemStackSerialization.java:44) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readItemStack(PacketWrapper.java:494) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.play.client.WrapperPlayClientClickWindow.read(WrapperPlayClientClickWindow.java:130) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readEvent(PacketWrapper.java:287) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.<init>(PacketWrapper.java:169) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.<init>(PacketWrapper.java:159) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.play.client.WrapperPlayClientClickWindow.<init>(WrapperPlayClientClickWindow.java:68) ~[packetevents-spigot-2.9.5.jar:?]
at pvpclub-FasterCrystals-2.0.1.jar/xyz.reknown.fastercrystals.listeners.packet.LastPacketListener.getAnimPacket(LastPacketListener.java:75) ~[pvpclub-FasterCrystals-2.0.1.jar:?]
at pvpclub-FasterCrystals-2.0.1.jar/xyz.reknown.fastercrystals.listeners.packet.LastPacketListener.onPacketPlayReceive(LastPacketListener.java:49) ~[pvpclub-FasterCrystals-2.0.1.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.SimplePacketListenerAbstract.onPacketReceive(SimplePacketListenerAbstract.java:49) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.PacketReceiveEvent.call(PacketReceiveEvent.java:44) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.EventManager.callEvent(EventManager.java:84) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.util.PacketEventsImplHelper.handleServerBoundPacket(PacketEventsImplHelper.java:101) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.read(PacketEventsDecoder.java:59) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.decode(PacketEventsDecoder.java:76) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.decode(PacketEventsDecoder.java:42) ~[packetevents-spigot-2.9.5.jar:?]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:91) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:202) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:164) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:333) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:455) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:289) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flush.FlushConsolidationHandler.channelRead(FlushConsolidationHandler.java:152) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:799) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:501) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:399) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.115.Final.jar:4.1.115.Final]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.115.Final.jar:4.1.115.Final]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
Хочу осветить данный вопрос, вот еще видео
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Сортировка по дате Сортировка по голосам
Протокольные черви расскажите в чем суть этого эксплойта, мне тоже интересно. Кто где и как ограничивает известно-зафикшеные нбт бомбы. Как всякие инжекторс типо ViaVersion, протоколлибов, пакетевентс влияют на нагрузку от атаки?
 
Позитивный голос 0 Негативный голос
NoooobKa написал(а):
Протокольные черви расскажите в чем суть этого эксплойта, мне тоже интересно. Кто где и как ограничивает известно-зафикшеные нбт бомбы. Как всякие инжекторс типо ViaVersion, протоколлибов, пакетевентс влияют на нагрузку от атаки?
Нажмите для раскрытия…
мм... Ну кароче был баг, я не знаю что именно за пакет отправлялся, связанный с nbt, типо для майнкрафт он слишком большой. Версия 1.16.5, фиксилось запретом через luckperms права на nbt у игрока
А мне кажется, что пакетные плагины это следствие атаки, типо они ругаются на то что "пакет задерживается" ну или был отменен, т.к большой и сервер обработать не смог. В общем в ядре же есть netty штука которая отвечает за сетевую обработку сервера майнкрафт, екслойт явно на него воздействует и завышается пинг, может вырасти нагрузка на весь процессор, т.к netty обрабатывает не на 1 ядре все это
 
Позитивный голос 0 Негативный голос
acv написал(а):
Приветствую! Не так давно наткнулся на так называемый attack client, который больше всего нацелен на использование разных exploit на сервере майнкрафт. Отсылая пакеты или спамя ими. Основные последствия в том, что сервер не ложиться, в привычном понимании, а просто нагружается сетевой обработчик самого сервера, от чего по всем ядрам подскакивает нагрузка или же взлетает пинг у игроков на сервере, и решается только, когда они перезайдут.
Помню, на ядрах 1.16.5 был такой екслойт от чита liquid bounce, сервер просто выключался, связанно было с nbt, ну и на 1.21.4 тоже что то подобное работает.
В общем как я понял это что то новое, потому что заставляют пинговать даже holly world и иностранные сервера.

Есть плагины которые могут срезать такие атаки? packetevents конечно тяжелые пакеты более 1мб отбрасывает но и пинг у игроков может взлететь.

При атаке, спамит что то подобное:
[21:57:21] [Netty Epoll Server IO #3/WARN]: [com.github.retrooper.packetevents.PacketEventsAPI] PacketEvents caught an unhandled exception while calling your listener.
java.lang.IllegalArgumentException: NBT size limit reached (1048556/1048576)
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.NBTLimiter$2.increment(NBTLimiter.java:73) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.DefaultNBTSerializer.lambda$new$18(DefaultNBTSerializer.java:121) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.readTag(NBTSerializer.java:114) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.DefaultNBTSerializer.lambda$new$20(DefaultNBTSerializer.java:141) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.readTag(NBTSerializer.java:114) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.deserializeTag(NBTSerializer.java:62) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.codec.NBTCodec.readNBTFromBuffer(NBTCodec.java:161) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.codec.NBTCodec.readNBTFromBuffer(NBTCodec.java:154) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readNBTRaw(PacketWrapper.java:523) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.component.builtin.item.ItemRecipes.read(ItemRecipes.java:39) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.component.StaticComponentType.read(StaticComponentType.java:75) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.readModern(ItemStackSerialization.java:151) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.readModern(ItemStackSerialization.java:107) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.read(ItemStackSerialization.java:44) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readItemStack(PacketWrapper.java:494) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.play.client.WrapperPlayClientClickWindow.read(WrapperPlayClientClickWindow.java:130) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readEvent(PacketWrapper.java:287) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.<init>(PacketWrapper.java:169) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.<init>(PacketWrapper.java:159) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.play.client.WrapperPlayClientClickWindow.<init>(WrapperPlayClientClickWindow.java:68) ~[packetevents-spigot-2.9.5.jar:?]
at pvpclub-FasterCrystals-2.0.1.jar/xyz.reknown.fastercrystals.listeners.packet.LastPacketListener.getAnimPacket(LastPacketListener.java:75) ~[pvpclub-FasterCrystals-2.0.1.jar:?]
at pvpclub-FasterCrystals-2.0.1.jar/xyz.reknown.fastercrystals.listeners.packet.LastPacketListener.onPacketPlayReceive(LastPacketListener.java:49) ~[pvpclub-FasterCrystals-2.0.1.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.SimplePacketListenerAbstract.onPacketReceive(SimplePacketListenerAbstract.java:49) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.PacketReceiveEvent.call(PacketReceiveEvent.java:44) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.EventManager.callEvent(EventManager.java:84) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.util.PacketEventsImplHelper.handleServerBoundPacket(PacketEventsImplHelper.java:101) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.read(PacketEventsDecoder.java:59) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.decode(PacketEventsDecoder.java:76) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.decode(PacketEventsDecoder.java:42) ~[packetevents-spigot-2.9.5.jar:?]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:91) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:202) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:164) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:289) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flush.FlushConsolidationHandler.channelRead(FlushConsolidationHandler.java:152) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:799) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:501) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:399) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.115.Final.jar:4.1.115.Final]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.115.Final.jar:4.1.115.Final]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
[21:57:21] [Netty Epoll Server IO #3/WARN]: [com.github.retrooper.packetevents.PacketEventsAPI] PacketEvents caught an unhandled exception while calling your listener.
java.lang.IllegalArgumentException: NBT size limit reached (1048556/1048576)
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.NBTLimiter$2.increment(NBTLimiter.java:73) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.DefaultNBTSerializer.lambda$new$18(DefaultNBTSerializer.java:121) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.readTag(NBTSerializer.java:114) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.DefaultNBTSerializer.lambda$new$20(DefaultNBTSerializer.java:141) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.readTag(NBTSerializer.java:114) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.serializer.NBTSerializer.deserializeTag(NBTSerializer.java:62) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.codec.NBTCodec.readNBTFromBuffer(NBTCodec.java:161) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.nbt.codec.NBTCodec.readNBTFromBuffer(NBTCodec.java:154) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readNBTRaw(PacketWrapper.java:523) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.component.builtin.item.ItemRecipes.read(ItemRecipes.java:39) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.component.StaticComponentType.read(StaticComponentType.java:75) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.readModern(ItemStackSerialization.java:151) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.readModern(ItemStackSerialization.java:107) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.protocol.item.ItemStackSerialization.read(ItemStackSerialization.java:44) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readItemStack(PacketWrapper.java:494) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.play.client.WrapperPlayClientClickWindow.read(WrapperPlayClientClickWindow.java:130) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.readEvent(PacketWrapper.java:287) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.<init>(PacketWrapper.java:169) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.PacketWrapper.<init>(PacketWrapper.java:159) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.wrapper.play.client.WrapperPlayClientClickWindow.<init>(WrapperPlayClientClickWindow.java:68) ~[packetevents-spigot-2.9.5.jar:?]
at pvpclub-FasterCrystals-2.0.1.jar/xyz.reknown.fastercrystals.listeners.packet.LastPacketListener.getAnimPacket(LastPacketListener.java:75) ~[pvpclub-FasterCrystals-2.0.1.jar:?]
at pvpclub-FasterCrystals-2.0.1.jar/xyz.reknown.fastercrystals.listeners.packet.LastPacketListener.onPacketPlayReceive(LastPacketListener.java:49) ~[pvpclub-FasterCrystals-2.0.1.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.SimplePacketListenerAbstract.onPacketReceive(SimplePacketListenerAbstract.java:49) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.PacketReceiveEvent.call(PacketReceiveEvent.java:44) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.event.EventManager.callEvent(EventManager.java:84) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/com.github.retrooper.packetevents.util.PacketEventsImplHelper.handleServerBoundPacket(PacketEventsImplHelper.java:101) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.read(PacketEventsDecoder.java:59) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.decode(PacketEventsDecoder.java:76) ~[packetevents-spigot-2.9.5.jar:?]
at packetevents-spigot-2.9.5.jar/io.github.retrooper.packetevents.injector.handlers.PacketEventsDecoder.decode(PacketEventsDecoder.java:42) ~[packetevents-spigot-2.9.5.jar:?]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:91) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:202) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:164) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:333) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:455) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290) ~[netty-codec-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:289) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.handler.flush.FlushConsolidationHandler.channelRead(FlushConsolidationHandler.java:152) ~[netty-handler-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868) ~[netty-transport-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:799) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:501) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:399) ~[netty-transport-classes-epoll-4.1.115.Final.jar:4.1.115.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.115.Final.jar:4.1.115.Final]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.115.Final.jar:4.1.115.Final]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
Хочу осветить данный вопрос, вот еще видео
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Нажмите для раскрытия…
1) Обновляем плагины
2) Ставим LPX

Проблема решена
 
Позитивный голос 0 Негативный голос
Overwrite написал(а):
Одно сообщение выше
Плюс - ставить 1.21.8
Нажмите для раскрытия…
Ну у меня основной сервер был 1.21.4 - ядро. Щас перевел все под 1.21.8, но мне кажется это так же работает. Чел с клиента заспамит пакетами и у игроков минут на 10 - 20 ляжет пинг потом или восстановиться или надо перезайти ему
 
Позитивный голос 0 Негативный голос
acv написал(а):
Основные последствия в том, что сервер не ложиться, в привычном понимании, а просто нагружается сетевой обработчик самого сервера, от чего по всем ядрам подскакивает нагрузка или же взлетает пинг у игроков на сервере, и решается только, когда они перезайдут.
Нажмите для раскрытия…
В ванили декодирование json-чат пакетов и некоторых кастом пакетов написано через жопу - вот и весь секрет почему это вообще работает
На новых версиях через жопу написано еще больше вещей не знаю что там

1 раз переписать по нормальному (так сделал я в свое время) и все будет норм

Ну или использовать костыль-плагины по типу LPX к-ые фильтруют такие пакеты
 
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Позитивный голос 0 Негативный голос
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