dot dot dot at the end of the frame

asked 2021-07-19 13:05:48 +0000

hi,

does someone know what it means when there is in the own builded tree dot dot dot after an frame even if this isnt the end of the frame? for example: deescaped_frame: 3b31333a... And the frame is: 3b31333a30b64f

thanks alot

answered 2021-07-20 07:22:10 +0000

grahamb

flag of United Kingdom of Great Britain and Northern Ireland

23790 ●4 ●950 ●227 https://www.wireshark.org

Usually the dot-dot-dot (known as an ellipsis) indicates the display is truncated and there is more actual data to follow.

What is your field type in the dissector for this data?

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it is bytes

Glupsch21 ( 2021-07-20 09:30:59 +0000 )edit

Since FT_BYTES items can be of arbitrary length these are indeed truncated to a certain length.

Jaap ( 2021-07-20 10:54:37 +0000 )edit

than how can i be sure that the packet is uncut?

Glupsch21 ( 2021-07-20 13:21:14 +0000 )edit

You can see the bytes in the value by selecting it in the tree and looking at the bytes highlighted in the hex pane.

If the value\packet is shorter than expected the dissector should have either detected that or there should be a malformed packet error when the dissector tried to access beyond the end of the packet.

grahamb ( 2021-07-20 13:27:24 +0000 )edit

Thanks alot!

Glupsch21 ( 2021-07-21 08:14:45 +0000 )edit

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