I do NFSv3 export of ZFS. root from remote host create files on ZFS witch uid 2^32-2: # ls -l /usr/ports/packages32/ total 6 drwxr-xr-x 2 4294967294 wheel 5 Mar 17 00:57 All drwxr-xr-x 2 4294967294 wheel 5 Mar 17 00:57 Latest drwxr-xr-x 2 4294967294 wheel 3 Mar 17 00:52 archivers drwxr-xr-x 2 4294967294 wheel 4 Mar 17 00:57 lang