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Santos:CCNA Sec 210-260 OCG by Omar Santos, John Stuppi

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Difference Between IPS and IDS

You can place a sensor in the network to analyze network traffic in one of two ways. The first option is to put a sensor inline with the traffic, which just means that any traffic going through your network is forced to go in one physical or logical port on the sensor. At the sensor, the traffic is analyzed. Then the sensor forwards out another logical or physical interface if the packet continues its journey toward its destination. If the traffic (while on its short layover at the sensor) is identified as being malicious by the sensor, the sensor (based on the rules configured) could decide that it will not forward the packet any further and drop it. Because the sensor is inline with the network, and because it ...

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