Packet Flood
The server is receiving an abnormal volume of packets from a connection and flags it. This can be a misbehaving client/mod, an exploit attempt, or an attack, the server limits it to protect itself.
What does this error mean?
Servers expect a reasonable packet rate per client. 'Received too many packets' means one connection is sending far more than normal, which can be a buggy mod, a crash exploit, or a deliberate flood.
Received too many packets
Most Common Causes
- A buggy client mod spamming packets.
- A crash/lag exploit targeting the server.
- A malicious flood attempt.
- A plugin/mod generating excessive traffic.
- An unstable connection retransmitting heavily.
How To Diagnose
- Identify which player/connection triggers it.
- Note whether it coincides with a specific action or mod.
- Check for known exploits for your version.
- Review server logs around the events.
Recommended Fixes
- Update the server
Run a current Paper/Purpur build, they include packet-rate limits and exploit fixes. - Address the client mod
If a player's mod spams packets, have them update or remove it. - Use an anti-exploit layer
Add a proxy/anti-DDoS or anti-exploit plugin to filter floods. - Ban/limit abusers
Rate-limit or remove connections deliberately flooding the server.
Frequently Asked Questions
It can be, but a buggy client mod or exploit can trigger it too, investigate the source.
Yes, modern Paper builds include packet limits and many exploit fixes.
Correlate the warning with a specific connection and any action or mod they use.