NFS mount error: RPCPROG_MNT: RPC: Authentication error; why
= Client credential too weak
Bas Smeelen
b.smeelen at ose.nl
Fri Jul 6 16:55:37 UTC 2012
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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