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With the help of Sequence Number you can reassemble the incoming packets.
Since TCP is stream based so sequence number keeps tracks of byte numbers and it uses Initial Sequence number ISN.
Lets say ISN is 2351 then 2353 will be the sequence number of first byte of stream (i.e. First sequence number) Lets assume this packet contains 1000 bytes then next seq number will be 2353+1000 = 3353.
2009-07-22 10:26:29 UTC in SharpPcap
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Actually, I went through Wireshark, It shows few frame information like
Frame No, Protocols in Frame.
I was looking for protocols in Frame.
My Actual Task is:
1. Among all incoming packets, to identify a packet containing image part (Jpg, Png)
2. Manage sequencing of those packets and dump image data part in a file in order so that based on dump data, i could reconstruct the actual...
2009-07-02 06:13:05 UTC in SharpPcap
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Is there any way to retrieve frame information?.
2009-07-01 11:42:25 UTC in SharpPcap
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Perhaps no way to directly find next sequence no.
Actually i am trying to redraw image from retrieved packets so i need to get the order and sequence numbers of packet. I went through wireshark. it shows next Seq number but i think it is being shown after some calculation.
Jayash.
2009-07-01 10:46:24 UTC in SharpPcap
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Thanks Josh,
It worked.
i am able to get misc information within the tcp header but unable to find net sequence number of a packet.
2009-07-01 09:43:14 UTC in SharpPcap
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Hi
I am new to C#. unable to reader header data. return type is byte[].
i have tried everything.
please help.
2009-06-29 10:16:48 UTC in SharpPcap
