This script is Copyright (C) 1999-2014 Tenable Network Security, Inc.
An NIS server is running on the remote host.
The remote host is an NIS (Network Information Service) server. NIS
is used to share usernames, passwords, and other sensitive information
among the hosts claiming to be within a given NIS domain and passes
this information over the network unencrypted.
Filter traffic connecting to the portmapper and to the NIS server
Risk factor :