Chris Gerhard wrote:
Jordan Brown wrote:
Hmm. I'm not an expert on NFS and wouldn't immediately know where to
look in the code to check, but my tentative bet is that NFS thinks the
hardwired ID 2147483648 is an ephemeral ID (because it's in the
ephemeral range) and is upset about the idea of passing an ephemeral
ID across the wire.
so having this default SYSTEM group which is unmapped is preventing
NFS access working.
It isn't exactly unmapped. It's unconditionally mapped to 2147483648.
So I could in theory add that group to NIS and all would be well?
Don't know for sure. Again, my bet is that the problem is that NFS is
upset because it doesn't want to pass (what it thinks is) an ephemeral ID
over the wire.
I'll need to talk to the CIFS experts about this.
In practice though setting an ACL on the root of the file system of this:
A+owner@:full_set:fd:allow,everyone@:read_set/execute:fd:allow
has solved the issue as it seems to prevent the XP system from using the
SYSTEM group.
Sure. We still need to figure out why SYSTEM is giving NFS indigestion.
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