You can set up a list of computers for which the client does not match attack signatures or check for port scans or denial-of-service attacks. Network intrusion prevention and peer-to-peer authentication allow any source traffic from hosts in the excluded hosts list. However, network intrusion prevention and peer-to-peer authentication continue to evaluate any destination traffic to hosts in the list. The list applies to both inbound traffic and outbound traffic, but only to the source of the traffic. The list also applies only to remote IP addresses.
Refer this guide to make this exception:
