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New to wireshark

asked 2021-04-16 12:16:56 +0000

TNL gravatar image

Hi everyone,

I am pretty new to WireShark, and I would like to monitor the activity in my network. It seems like we have some suspicious activity and I am trying to find the source of it.

I have a few questions.

  1. I would like to save a record of all the activity that happened in the network every once in a while, so I can go back and look at past logs. I see that the recommended way to do it is by megabytes(after reaching a certain number of megabytes, a file will be created and saved automatically). What is the recommended number of megabytes to use for this log? After how many megabytes should I ask the system to save the log?

  2. Is it possible to save multipole logs or once a new log is being created in would delete the previous log?

  3. Is there an option of checking a timestamp for the packets? I can only see time passed since Wireshark was activated, but not an actual time. Is it possible to see the time that the packet was sent?

Thank you,

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answered 2021-04-16 13:42:59 +0000

hugo.vanderkooij gravatar image

Well. I would not go beyond 1000 MB as too big becomes impractical. 100 MB is wat I prefer myself. But on hight throughput situation that might be too small to be useful.

You can rotate over a number of files. See also: https://osqa-ask.wireshark.org/questi...

You can choose how you display the time. View => Time Display Format I prefer time of day and milliseconds. As I usually care less about the exact date or nano seconds.

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Thank you Hugo for your answer!

TNL gravatar imageTNL ( 2021-04-16 14:23:10 +0000 )edit

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Asked: 2021-04-16 12:16:56 +0000

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Last updated: Apr 16