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2018-03-29 16:05:44 +0000 marked best answer how does wireshark knows when the file download is completed

Hi,

How does wireshark knows when the file download is completed ?

After downloading a file, we see the usual "FIN - FIN/ACK - FIN/ACK - FIN" packets.

The packet just before have the last part of the data. In this case, a jpg file.

For that packet, below the TCP layer, wireshark kindly reassembles the TCP segments, i.e. "10 Reassembled TCP Segments ...".

And below the "10 Reassembled..." line, we see the assembled HTTP and JPEG layers.

But what makes wireshark knows that this packet contains the last part of the jpg file ?

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2018-03-29 16:05:43 +0000 commented answer how does wireshark knows when the file download is completed

Excellent thank you!

2018-03-29 15:55:11 +0000 edited question how does wireshark knows when the file download is completed

how does wireshark knows when the file download is completed Hi, How does wireshark knows when the file download is com

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2018-03-29 15:54:47 +0000 edited question how does wireshark knows when the file download is completed

how does wireshark knows when the file download is completed Hi, How does wireshark knows when the file download is com

2018-03-29 15:53:37 +0000 asked a question how does wireshark knows when the file download is completed

how does wireshark knows when the file download is completed Hi, How does wireshark knows when the file download is com