Re: TCP connection ignore RST
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Date: Tue, 07 Sep 2021 09:47:30 UTC
On Tue, 7 Sep 2021 10:47:01 +0200 Michael Tuexen <michael.tuexen@lurchi.franken.de> wrote: > >>> I have strange case: FreeBSD 12.2 ignore TCP RST from windows host > >>> and continue retransmitting packets. sockstat show that socket > >>> connected even after many tcp rst packets received. > >>> > >>> Any ideas how to fix it? > >> Where is the trace taken? On the Windows side or on the FreeBSD > >> side or somewhere else? Could you provide the .pcap file? > >> > > > > From FreeBSD side. > > > > https://reviews.freebsd.org/D28142 > > e82353f84c58da9a5c38bd471a09936c16a5b6ea > > https://reviews.freebsd.org/D28143 > > d05d908d6d3c85479c84c707f931148439ae826b sysctl > > net.inet.tcp.tolerate_missing_ts=1 this fixes issue for me. > That was my first guess, but after double checking, this code is not > present in FreeBSD 12.2. However, it is present in stable/12. > So could it be that you are using stable/12 and not 12.2? > System build from: commit 8c01699f9194cfa3805ac734ae912529a10c063a CommitDate: Wed Jan 20 14:40:13 2021 +0100 Add some examples to script.1... It is not "clean" 12.2, and it is a bit early than commits with fixes.