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Date:      Fri, 06 Jul 2012 18:55:27 +0200
From:      Bas Smeelen <b.smeelen@ose.nl>
To:        freebsd-questions@freebsd.org
Subject:   Re: NFS mount error: RPCPROG_MNT: RPC: Authentication error; why = Client credential too weak
Message-ID:  <4FF7187F.3030201@ose.nl>
In-Reply-To: <jt728f$6bc$1@dough.gmane.org>
References:  <jt728f$6bc$1@dough.gmane.org>

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On 07/06/2012 06:03 PM, Walter Hurry wrote:
> I am running FreeBSD 9.0-RELEASE (64 bit), with a VirtualBox VM also
> running the same.
>
> On the host I am running NFS server:
>
> $ showmount -e
> Exports list on localhost:
> /usr/home                          Everyone
>
> But when I try to mount is on the client (the VM guest) I get this:
>
> # mount xxxxxx:/usr/home /mnt
> [tcp] xxxxxx:/usr/home: RPCPROG_MNT: RPC: Authentication error; why =
> Client credential too weak
> #

Hi Walter

Are you root when mounting on the client?
 From looking at your prompt # I think you are, but I ask just to make sure.
You can also take a look at
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/network-nfs.html
in the handbook

>
> On the server, in /var/log/messages I see this:
>
> mountd[29140]: mount request from nnn.nnn.nnn.nnn from unprivileged port
>
> So I infer that the 'unprivileged port' bit is the problem.
>
> Further information - on the client:
>
> $ rpcinfo xxxxxx
>     program version netid     address                service    owner
>      100000    4    tcp       0.0.0.0.0.111          rpcbind    superuser
>      100000    3    tcp       0.0.0.0.0.111          rpcbind    superuser
>      100000    2    tcp       0.0.0.0.0.111          rpcbind    superuser
>      100000    4    udp       0.0.0.0.0.111          rpcbind    superuser
>      100000    3    udp       0.0.0.0.0.111          rpcbind    superuser
>      100000    2    udp       0.0.0.0.0.111          rpcbind    superuser
>      100000    4    tcp6      ::.0.111               rpcbind    superuser
>      100000    3    tcp6      ::.0.111               rpcbind    superuser
>      100000    4    udp6      ::.0.111               rpcbind    superuser
>      100000    3    udp6      ::.0.111               rpcbind    superuser
>      100000    4    local     /var/run/rpcbind.sock  rpcbind    superuser
>      100000    3    local     /var/run/rpcbind.sock  rpcbind    superuser
>      100000    2    local     /var/run/rpcbind.sock  rpcbind    superuser
>      100003    2    udp       0.0.0.0.8.1            nfs        superuser
>      100003    3    udp       0.0.0.0.8.1            nfs        superuser
>      100003    2    udp6      ::.8.1                 nfs        superuser
>      100003    3    udp6      ::.8.1                 nfs        superuser
>      100003    2    tcp       0.0.0.0.8.1            nfs        superuser
>      100003    3    tcp       0.0.0.0.8.1            nfs        superuser
>      100003    2    tcp6      ::.8.1                 nfs        superuser
>      100003    3    tcp6      ::.8.1                 nfs        superuser
>      100005    1    udp6      ::.2.94                mountd     superuser
>      100005    3    udp6      ::.2.94                mountd     superuser
>      100005    1    tcp6      ::.2.94                mountd     superuser
>      100005    3    tcp6      ::.2.94                mountd     superuser
>      100005    1    udp       0.0.0.0.2.94           mountd     superuser
>      100005    3    udp       0.0.0.0.2.94           mountd     superuser
>      100005    1    tcp       0.0.0.0.2.94           mountd     superuser
>      100005    3    tcp       0.0.0.0.2.94           mountd     superuser
> $
>
> What am I doing wrong? I am new to NFS.
>
>
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