NFS

Gregory LeBaron lebaron at math.mcgill.ca
Sun Oct 31 17:17:42 UTC 2004


On Fri, 2004-10-29 at 05:58, Douglas Furlong wrote:
> On Fri, 2004-10-29 at 05:47 -0400, Littleguru wrote:
> > Hello
> > 
> > I have created a nfs shared directory on my server ,and it mount 
> > properly on my client station , but I can not go to mounted directory , 
> > it says " permission denied "
> Are you trying to access the NFS share as the root user? If this is the
> case you would have to use no_root_squash. However this is an incredibly
> insecure thing.

Isn't NFS incredibly insecure even with root_squash? 

All you'd have to do is 
su -
su some_other_user
cd /home/some_other_user
and you have unrestricted access to the some_other_users's files.

Does anyone have any suggestions on how to close this hole?




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