|Summary:||Checks the presence of a RPC service|
The remote host is a NIS server. NIS is used to share password files among
the hosts of a given network, which must not be intercepted by an attacker.
Usually, the first step of their attack is to determine whether they are
attacking a NIS server, which make the host a more valuable target.
Since we could determine that the remote host is a NIS server, they can
determine too, which is not a good thing.
Solution : filter incoming TCP and UDP traffic to prevent them from connecting
to the portmapper and to the NIS server.
Risk factor : Low
Common Vulnerability Exposure (CVE) ID: CVE-1999-0620|
|Copyright||This script is Copyright (C) 1999 Renaud Deraison|
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