nfs on 17.04

[Tom H]

On Thu, Jun 29, 2017 at 7:45 AM, R Kimber
<richardkimber at politicsresources.net> wrote:
> On Thu, 29 Jun 2017 04:31:49 -0400 Tom H wrote:


>> What's the output on the RPi of
>>
>> rpcinfo -p ip_address_of_server
>> (you'll only get OK output with a disabled firewall or after allowing
>> port 111)
>
> With the nfs drives correctly mounted and the firewall enabled I get:
>
> rpcinfo: can't contact portmapper: RPC: Remote system error - Connection
> timed out

It needs access to 111 so this won't work if the firewall doesn't
allow it, whether you have a share mounted or not.


>> showmount -e ip_address_of_server
>
> gives:
>
> clnt_create: RPC: Port mapper failure - Timed out
>
> Port 111 is not enabled. Is that the problem? Should I enable it? A bit of
> Googling implies that its a security risk.

In this case you need access to the port on which mountd is running, not 111.


If this is on a lan, it's not insecure - especially if you're limiting
access to one ip address as you seem to be.