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What is transmission control protocol timeout, and the way will it relate to the NAT transmission control protocol timer?

Created: Feb 14, 2022 16:53:32Latest reply: Feb 15, 2022 01:26:56 183 3 1 0 0
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What is transmission control protocol timeout, and the way will it relate to the NAT transmission control protocol timer?

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fuzi_yao
Admin Created Feb 15, 2022 01:26:56

Hi, friend!

TCP: TCP is designed to accommodate a hierarchical protocol hierarchy that supports multiple network applications. Pairs of processes in host computers connected to different but interconnected computer communication networks rely on TCP to provide reliable communication services.

NAT: NAT translates private IP addresses into valid IP addresses. NAT translates private IP addresses into valid IP addresses that can be transmitted on the network. NAT perfectly solves the problem of insufficient IP addresses, but also effectively avoids attacks from outside the network, hides and protects computers inside the network.


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Hi Abody, Answer to your query is as under:

If the three-way handshake is not completed and NAT sees a TCP packet, then NAT will start a 60-second timer. When the three-way handshake is completed, NAT uses a 24-hour timer for a NAT entry by default. If an end host sends a RESET, NAT changes the default timer from 24 hours to 60 seconds. In the case of FIN, NAT changes the default timer from 24 hours to 60 seconds when it receives FIN and FIN-ACK.
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Hi, friend!

TCP: TCP is designed to accommodate a hierarchical protocol hierarchy that supports multiple network applications. Pairs of processes in host computers connected to different but interconnected computer communication networks rely on TCP to provide reliable communication services.

NAT: NAT translates private IP addresses into valid IP addresses. NAT translates private IP addresses into valid IP addresses that can be transmitted on the network. NAT perfectly solves the problem of insufficient IP addresses, but also effectively avoids attacks from outside the network, hides and protects computers inside the network.


View more
  • x
  • convention:

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