'''.B \-\-public\-root
'''option. Multiple specifications of a public root will be ignored.
.PP
+.SS RPCSEC_GSS security
+To restrict access to an export using rpcsec_gss security, use the special
+string "gss/krb5" as the client. It is not possible to simultaneously require
+rpcsec_gss and to make requirements on the IP address of the client.
+.PP
.SS General Options
.IR exportfs
understands the following export options: