Re: IPV6 localhost (::1) in /etc/exports?

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On Mon, Sep 30, 2024 at 4:58 PM Mark Liam Brown <brownmarkliam@xxxxxxxxx> wrote:
>
> On Tue, Sep 3, 2024 at 1:16 PM Mark Liam Brown <brownmarkliam@xxxxxxxxx> wrote:
> >
> > Greetings!
> >
> > How can I add IPV6 localhost to /etc/export, to access a nfs4 share
> > via ssh? I tried, but in wireshark I get this error:
> >     1 0.000000000          ::1 → ::1          NFS 278 V4 Call lookup
> > LOOKUP test14
> >    2 0.000076041          ::1 → ::1          NFS 214 V4 Reply (Call In
> > 1) lookup PUTROOTFH | GETATTR Status: NFS4ERR_PERM
> >
> > for this entry in /etc/exports:
> > /test14 ::1/64(rw,async,insecure,no_subtree_check,no_root_squash)
> >
> > The same mount attempt works if I replace the entry in /etc/exports with this:
> > /test14 *(rw,async,insecure,no_subtree_check,no_root_squash)
>
> So far "::1/128", "::1/64", "::1" do not work, which makes me wonder
> if there is a BUG in nfsd which prevents the use of ::1 at all.
>
> Also, our IT department made it clear that the "total
> underdocumenation" of IPv6 in exports(5) is "literally worth a CVE",
> as many people use IPv6 masks which make exports world-wide
> accessible.

So is this a bug, or not?


Mark
--
IT Infrastructure Consultant
Windows, Linux





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