MINECRAFTBIBLE
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Client-side mod that automatically prevents kicks from malformed packets, excessive payloads, or impossible movement. Filters packets, checks rotation, and throttles interactions.
Fixes these problems:
Outgoing packets that exceed 8,388,608 bytes or have lengths over 8 bytes/wider than 21 bits are blocked
Payloads larger than 1,048,576 bytes or 32,767 bytes are filtered
Compressed packets exceeding 2,097,152 bytes are rejected
Attempts to read NBT tags larger than 2,097,152 bytes are stopped
Chunk packets trying to allocate excessive memory on read are discarded
VarInt and VarLong values that exceed protocol limits are dropped
Connection timeouts caused by malformed or oversized packets are prevented
Player movements over 10 blocks per tick are blocked
Vertical jumps higher than 5 blocks are restricted
Extreme rotations (pitch beyond ±90° or yaw beyond safe per-tick limits) are filtered
Interaction spam (more than 10 hand swings or block actions per second) is prevented
PacketShield works at the Netty level to intercept and validate outgoing packets, automatically filtering unsafe data before it reaches the server. Fully automatic, no settings required.
For a normal player experiencing typical client-side errors on vanilla or lightly-modded servers, PacketShield could reduce self-inflicted kicks by roughly 80–95%.