[CentOS] NFS new security requirements?

James Pearson james-p at moving-picture.com
Mon Nov 30 15:25:39 UTC 2009


Mike Yates wrote:
> Hi
> I've suddenly lost access to some permanent cross-server shares.
> I think this was following the Nov 5 new kernel, rather than the Centos version upgrade.
> I don't see any difference to man mount.nfs
> 
> I have:-
> [root at hs6 ~]# mount hs8:/data /sysback/hs8-data -v
> mount: no type was given - I'll assume nfs because of the colon
> mount: trying 172.26.0.8 prog 100003 vers 3 prot tcp port 2049
> mount: trying 172.26.0.8 prog 100005 vers 3 prot udp port 735
> mount: hs8:/data failed, reason given by server: Permission denied
> 
> Yet on hs8 the log shows:-
> Nov 29 12:47:52 hs8 mountd[2255]: authenticated mount request from 172.26.0.6:617 for /data (/data)
> 
> No internal permissions have changed.

What is the contents of /etc/exports on 'hs8' ?

What happens if you restart rpc.mountd on 'hs8' ?

James Pearson


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