From owner-freebsd-hackers@freebsd.org  Mon Nov 16 14:14:45 2015
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Date: Mon, 16 Nov 2015 17:14:33 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Rick Macklem <rmacklem@uoguelph.ca>
Cc: hackers@freebsd.org
Subject: NFSv4 details and documentations
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On Mon, Nov 16, 2015 at 09:00:09AM -0500, Rick Macklem wrote:

> There is a vfs operation called VFS_SYSCTL(). This isn't implemented on
> the current NFS client. It was implemented on the old one, but only for
> NFS locking events and I didn't understand what needed to be done, so I
> didn't do it.

Rick, I am try to play with NFSv4 and Kerberos and see lack of
documentation. For example, nowhere documented that access to NFSv4
mount do by NFSv3 rules. I.e. I need have /etc/exports with TWO lines:

V4: /NFS    -sec=krb5i
/NFS    -sec=krb5i

W/o second lines I got 10020 error (for NFSv4 mount).

What current status Kerberos support in NFS client/server? I found
many posts and wiki pages about lack some functionality, but also see
many works from you.

Can you give some examples for kerberoized setup, with support cron
jobs?