where is somaxconn in FreeBSD 10.x?

Paul Beard paulbeard at gmail.com
Tue Feb 14 03:11:05 UTC 2017

FreeBSD www 10.3-STABLE FreeBSD 10.3-STABLE #0 r312644: Sun Jan 22 11:36:16 PST 2017     root at www:/usr/obj/usr/src/sys/SHUTTLE  i386

Seeing a lot of these 

Feb 13 18:57:09 www kernel: sonewconn: pcb 0xca51e2f4: Listen queue overflow: 76 already in queue awaiting acceptance (4 occurrences)

and my exploration of it through the Google suggest I need to raise my connection/listen queue. But I’m not sure what sysctl tunable needs adjusting. 

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