[Bug 212608] nfsd(8) listens on UDP port 2049, but it is reported incorrectly in sockstat(1) and lsof(8)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212608

Conrad Meyer <cem at freebsd.org> changed:

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                 CC|                            |cem at freebsd.org

--- Comment #3 from Conrad Meyer <cem at freebsd.org> ---
It seems the UDP socket is opened by userspace too:

https://github.com/freebsd/freebsd/blob/master/usr.sbin/nfsd/nfsd.c#L463-L491

However, we pass the UDP socket into the kernel with nfssvc_addsock and close
the userspace copy.  We keep the TCP one open in order to do accept(2).

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