Which firewall feature is used to ensure that packets coming into a network are legitimate responses to requests initiated from internal hosts?

Questions BankCategory: CCNAWhich firewall feature is used to ensure that packets coming into a network are legitimate responses to requests initiated from internal hosts?
ITExamAnswers Staff asked 9 months ago
Question:
Which firewall feature is used to ensure that packets coming into a network are legitimate responses to requests initiated from internal hosts?

  • application filtering
  • stateful packet inspection
  • packet filtering
  • URL filtering

Explanation: Stateful packet inspection on a firewall checks that incoming packets are actually legitimate responses to requests originating from hosts inside the network. Packet filtering can be used to permit or deny access to resources based on IP or MAC address. Application filtering can permit or deny access based on port number. URL filtering is used to permit or deny access based on URL or on keywords.

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