What happens when a TCP based packet exits a NAT firewall ?

Question List › Category: Networking › What happens when a TCP based packet exits a NAT firewall ?

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shah_kajal184 author asked 9 years ago

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denielshakespeare5 author answered 8 years ago

When a TCP packet exits a NAT firewall, the source port and destination port number in

the TCP header along with the source and destination IP address in the IP header is added

to the Network address translation table. After this operation is performed, the source IP

address in the IP header is re-written with the IP address of the NAT firewall following

which the packet exits the firewall.

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