Error: Listen queue overflow

[dhavaloza]

"sonewconn: pcb 0xfffff80212fd7570: Listen queue overflow: 193 already in queue awaiting acceptance"

My pfsense gets slow sometimes and gives me this error. Can someone help on this.

[Harvy66]

Probably some service that is not consuming data fast enough(ie overloaded) or is stuck

https://blog.tyk.nu/blog/fun-with-freebsd-listen-queue-overflow/