Contains the NFS security defaults.
    sys          UNIX style (uids, gids)
    dh           DES style (encrypted timestamps)
    krb5         Kerberos 5, no integrity or privacy
    krb5i        Kerberos 5, with integrity
    krb5p        Kerberos 5, with privacy
This file may be modified using the chnfssec command.The format of the /etc/nfs/security_default file is one security flavor (sys, krb5, etc.) per line.
| Item | Description | 
|---|---|
| /etc/nfs/security_default | The security_default file. |