Using Traffic Rules To Supervise Network Traffic

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The Problem Let’s assume that you have a Network where local hosts generate a constant amount of traffic. How do you find if they are misbehaving? It happens that some local host starts behaving strangely, by having an abnormal amount of traffic (sent or received) with respect to their recent past: how can you spot […]

nProbe IPS: How To setup an Inline Layer-7 Traffic Policer in 5 Minutes

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Introduction Recently, we have added Intrusion Prevention System (IPS) capabilities to our nProbe. Those capabilities are available starting from the latest 9.5 version, both for Linux and FreeBSD – including OPNsense and pfSense, and are available with all nProbe versions and licenses (see the product page for additional details). On Linux, nProbe leverages the netfilter […]