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06.18.2008 at 08:50PM PDT, ID: 23497653
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8.6

TCP Sequence Numbers Past 0xffffffff?

Asked by bdunz19 in TCP/IP

Hi Experts,

This question is directly related to the TCP protocol. I have had no luck discoving what happens to the next generated TCP sequence number that would be greater than 0xffffffff. Does it wrap back around starting from 0?

For example, say the current sequence number is 0xfffffffa and the next pack sent contains 10 Bytes of data, would the next sequence number then be 0x00000004? Or does the connection reset before this can occur?

When the reciever recieves a packet containing the RST flag, does it genereate new sequence numbers, or does the connection have to be reestablished via the 3 way handshake? If the three way handshake occurs does the application controlling the stream then have to resend all initial login data ect, or does the recieving application continue on as if the connection was never reset? Is the RST process transparent to the application?

I know this is a very complex question, but hopefully someone or multiple experts can produce the multiple answers needed to solve this question.

Thanks,
BrandonStart Free Trial
[+][-]06.18.2008 at 09:21PM PDT, ID: 21819207

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Zone: TCP/IP
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Solution Provided By: rowansmith
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Solution Grade: A
 
 
[+][-]06.18.2008 at 09:41PM PDT, ID: 21819290

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[+][-]06.18.2008 at 11:00PM PDT, ID: 21819558

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[+][-]06.19.2008 at 12:43AM PDT, ID: 21820028

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[+][-]06.19.2008 at 12:45AM PDT, ID: 21820045

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[+][-]06.19.2008 at 01:15AM PDT, ID: 21820213

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[+][-]06.19.2008 at 01:18AM PDT, ID: 21820230

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[+][-]06.19.2008 at 09:27AM PDT, ID: 21823830

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[+][-]06.19.2008 at 09:38AM PDT, ID: 21823927

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[+][-]06.19.2008 at 09:41AM PDT, ID: 21823963

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