http://blogs.technet.com/isablog/archive/2009/06/28/configuring-network-inspection-system-nis.aspxNetwork Inspection System (NIS) , the vulnerability signature component of TMG Intrusion Prevention System (IPS), comes with a pre-defined recommended policy out of the box – this is the recommended configuration for NIS . Nevertheless, NIS supports granularen-USCommunityServer 2.1 SP1 (Build: 61025.2)