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16.2. Types

By default, mounted NFS volumes on the client side are labeled with a default context defined by policy for NFS. In common policies, this default context uses the nfs_t type. The root user is able to override the default type using the mount -context option. The following types are used with NFS. Different types allow you to configure flexible access:
This type is used for existing and new files copied to or created in the /var/lib/nfs/ directory. This type should not need to be changed in normal operation. To restore changes to the default settings, run the restorecon -R -v /var/lib/nfs command as the root user.
The /usr/sbin/rpc.nfsd file is labeled with the nfsd_exec_t, as are other system executables and libraries related to NFS. Users should not label any files with this type. nfsd_exec_t will transition to nfsd_t.