Intrusion-prevention system

There are two types of Intrusion-Prevention Systems (IPS), the first is the Network Intrusion Prevention System (NIPS), which can only operate on your network and cannot work inside a host. The second is called the Host Intrusion Prevention System (HIPS), and it operates inside a host machine and cannot operate on the network.

NIPS is an internal network device whose role is to prevent access to the network, and it is placed on the perimeter of your network behind your firewall. Think of NIPS as Rambo with a big gun whose job it is to shoot the bad guys.

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