IDS & IPS Security Mechanisms
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Questions and Answers

What is the main purpose of packet filtering in network security?

  • Examining the context of network packets to determine legitimate connections
  • Limiting or blocking network traffic from specific sources or to specific destinations
  • Analyzing packets in real-time and blocking those that match known attack signatures or patterns (correct)
  • Monitoring for abnormal behavior and taking action if deviations from the normal baseline are detected
  • What distinguishes stateful inspection from other techniques in network security?

  • Analyzing packets in real-time and blocking those that match known attack signatures or patterns
  • Limiting or blocking network traffic from specific sources or to specific destinations based on predefined security policies
  • Monitoring for abnormal behavior and taking action if deviations from the normal baseline are detected
  • Examining the context of network packets to determine whether they are part of an established and legitimate connection or represent a potential threat (correct)
  • What is the primary function of behavioral analysis in network security?

  • Limiting or blocking network traffic from specific sources or to specific destinations based on predefined security policies
  • Analyzing packets in real-time and blocking those that match known attack signatures or patterns
  • Examining the context of network packets to determine legitimate connections
  • Monitoring for abnormal behavior and taking action if deviations from the normal baseline are detected (correct)
  • Which statement best describes deep packet inspection (DPI) in network security?

    <p>Is a form of computer network packet filtering that examines the data part (and possibly also the header) of a packet as it passes an inspection point, searching for protocol non-compliance</p> Signup and view all the answers

    What are the three main techniques used in deep packet inspection (DPI)?

    <p>&quot;Analyzing packets in real-time and blocking those that match known attack signatures or patterns&quot;, &quot;Examining the context of network packets to determine legitimate connections&quot;, &quot;Monitoring for abnormal behavior and taking action if deviations from the normal baseline are detected&quot;</p> Signup and view all the answers

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