Thanks for your reply~

I think my problem could be is  how to create the iptables that could let the NFS server access into the host system.

The guest system is CentOS 5.3 i386 . The ip address is  192.168.56.101  with the eth0 interface
And the host system is CentOS 5.4 x86_64, its ip address is 192.168.7.67 and its route information is the following :

root@xxx: route -n
192.168.7.0  xx  xx  xx eth0
192.168.56.0  xx  xx xxx  vboxnet0

I  run  this iptable rule in the guest system which configured the NFS server,

iptables -A INPUT  -i eth0  tcp -s 192.168.7.67  --dport 111 -j ACCEPT


Then :
when I run "showmount -e  192.168.56.101" and the directory appears,
but run the "mount -t nfs  192.168.56.101:/xxx   /media"  in the terminal ,
the output is still that message:
"mount : 192.168.56.101:/xx  failed , reason given by server:Permission denied"

So is it my iptables rule wrong? Or how to write the correct the rule ?

Thanks in advance~.

On Mon, Apr 26, 2010 at 12:16 PM, onay <ronald.santosa@gmail.com> wrote:
On Mon, Apr 26, 2010 at 10:15 AM, sync <jiannma@gmail.com> wrote:
> Hi,guys:
>
>    I am trying to connect to a NFS-filesystem on a CentOS 5.3 i386  guest
> system. The host system is CentOS 5.4 x86_64.
>  I set up the NFS server correctly and rpcinfo is also ok  inside the guest
> system show.
>
> The problem is, I can't connect to, or see the open port from the outside. I
> use the Host-Only  network setup with VirtualBox 3.1.0,
> the ip address in the guest system is 192.168.56.101 . and the host system
> ip address is 192.168.7.67
>
> When I mount the directory from the guest system via NFS, the result is the
> following :
> "mount : 192.168.56.101:/xx  failed , reason given by server:Permission
> denied"
>
>  I hope one of you can give me a hint in which direction I should continue
> my efforts.
>
> Thanks in advance,,,
>
> _______________________________________________
> CentOS mailing list
> CentOS@centos.org
> http://lists.centos.org/mailman/listinfo/centos
>
>

If you already can ping the nfs server, then you should check this:
1. nfsd service
2. open port on iptables
3. /etc/host.allow or /etc/host.deny

You can check share folder from nfs client with command:
showmount -e ip.nfs.server
If the folder appears, then you can start to mount that otherwise you
should check your /etc/exports again.


CMIIW.

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