NAT filtering can be done in which of the following ways? Choose one.Answer instructionsMatching incoming traffic to the corresponding IP address and port.Matching incoming frames to the corresponding NetBIOS addresses.Using basic endpoint connections.Matching incoming traffic to the corresponding outbound IP address connection.
Question
NAT filtering can be done in which of the following ways? Choose one.Answer instructionsMatching incoming traffic to the corresponding IP address and port.Matching incoming frames to the corresponding NetBIOS addresses.Using basic endpoint connections.Matching incoming traffic to the corresponding outbound IP address connection.
Solution
NAT filtering can be done by matching incoming traffic to the corresponding outbound IP address connection.
Here's a step-by-step explanation:
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When a device from your network sends a request to an external network, the NAT (Network Address Translation) system will keep a record of the IP address and port number used for the outbound connection.
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The NAT system will then change the source IP address and port number to the public IP address and a specific port number of your router.
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When the external network sends back the requested data, the NAT system will use the record it kept earlier to match the incoming traffic to the corresponding outbound IP address connection.
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The NAT system will then change the destination IP address and port number back to the original ones used by the device in your network.
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Finally, the data is sent back to the device that requested it.
This way, the NAT system can ensure that the incoming traffic is delivered to the correct device in your network.
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