NFS file access options

Mario Blunk · 04-28-2014, 05:53 AM

Hi friends,

I have a NFS server running with two clients connected. Inside the exported directory a strange thing happens:

1. Client A creates a directory X with permissions 775. Client A also creates a file F in directory X with permission 644. Everything fine.

2. Client B can delete file F despite it is owned by client A. Client B does have only read access to file F. I expect file F to be deleteable by client A only.

What's wrong ?

Thanks.

linosaurusroot · 04-28-2014, 06:08 AM

File permissions arrange for your file to be deleted depending on the USER and GROUP details in the deletion attempt - not the NFS client they come from.

Now you could do a "read-mostly" export that makes your volume readable by both clients but writable by only one. I'm unsure whether that's what you want.