https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240532
Bug ID: 240532
Summary: pf stops purging IPv6 FIN_WAIT_2 states?
Product: Base System
Version: 11.2-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: p...@lysator.liu.se
Created attachment 207418
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=207418&action=edit
pf.conf
I just noticed that our production servers seems to be accumulating FIN_WAIT_2
state entries in PF (atleast IPv6 ones).
# pfctl -ss | egrep FIN_WAIT_2 | egrep -v 2001 | wc -l
386
# pfctl -ss | egrep FIN_WAIT_2 | egrep 2001 | wc -l
23141
Using workaround from bug 222126 seems to wake up the "pf purge" kernel thread
again
(atleast for a while):
# echo "set timeout interval 5" | pfctl -mf -
FreeBSD 11.2-RELEASE-p10
Dell PowerEdge R730xd
256GB RAM
(NFS & SMB fileservers)
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