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From: Roland Mainz <roland.mainz@nrubsig.org>
Date: Mon, 29 Jan 2024 12:44:28 +0100
Message-ID: <CAKAoaQ=FDdkTW2Vh=_Y08DEWZYaJa6tDSYKnFiZCfQ6+PW_5iQ@mail.gmail.com>
Subject: refer= syntax in /etc/exports for custom non-2049 TCP ports ? / was:
 Re: Change "hostname" to "hostport" in text-based mountd downcall Re: BUG in
 exports(5), no example for refer= Re: Examples for refer= in /etc/exports?
To: Linux NFS Mailing List <linux-nfs@vger.kernel.org>
Cc: Martin Wege <martin.l.wege@gmail.com>, Chuck Lever III <chuck.lever@oracle.com>, 
	Cedric Blancher <cedric.blancher@gmail.com>
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Content-Transfer-Encoding: quoted-printable

On Mon, Nov 13, 2023 at 2:01=E2=80=AFAM Cedric Blancher
<cedric.blancher@gmail.com> wrote:
> On Fri, 10 Nov 2023 at 20:17, Chuck Lever III <chuck.lever@oracle.com> wr=
ote:
> > > On Nov 10, 2023, at 3:30 AM, Martin Wege <martin.l.wege@gmail.com> wr=
ote:
> > > On Fri, Nov 10, 2023 at 3:20=E2=80=AFAM Chuck Lever III <chuck.lever@=
oracle.com> wrote:
> > >>> On Nov 9, 2023, at 7:47 PM, Cedric Blancher <cedric.blancher@gmail.=
com> wrote:
[snip]
> Yeah, instead of waiting for NetLink you could implement Roland's
> suggestion, and change "hostname" to "hostport" in your test-based
> mount protocol, and technically everywhere else, like /proc/mounts and
> the /sbin/mount output.
> So instead of:
> mount -t nfs -o port=3D4444 10.10.0.10:/backups /var/backups
> you could use
> mount -t nfs 10.10.0.10@4444:/backups /var/backups
>
> The same applies to refer=3D - just change from "hostname" to
> "hostport", and the text-based mountd downcall can stay the same (e.g.
> so "foobarhost" changes to "foobarhost@444" in the mountd download.)
[snip]

What would be the correct syntax to specify a custom (non-2049) TCP
port for refer=3D in /etc/exports ?

Would this work:
---- snip ----
`/ref *(no_root_squash,refer=3D/export/home@134.49.22.111:32049)
---- snip ----

----

Bye,
Roland
--=20
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