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does wireshark need to be open to log the packets through a wireless network

asked 2021-12-08 16:15:45 +0000

I will be going away for a couple of weeks and would like for a log of all network activity to be created whilst not at home. Does Wireshark need to be turned on and on a active device to log the data? Is there a workaround where the software and pc do not need to be left on for those couple of weeks to log all the traffic?

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answered 2021-12-09 09:02:39 +0000

grahamb gravatar image

Something needs to be running to continuously capture, but using Wireshark itself isn't a good idea as it isn't necessary and will likely run out of memory.

Wireshark invokes the command line utility dumpcap to perform the capture and write the traffic to a disk file. Among the options are the interfaces to be captured from and how to write the output; to a single enormous file, or multiple files delimited by time, size or packet count.

Note that capturing for a long period may generate a large amount of traffic so ensure the location for the capture file(s) has plenty of space.

Good luck on reviewing all that traffic on your return.

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Then there is the question: What are you expecting to do with it? If you don't need your network then shut it down.

hugo.vanderkooij gravatar imagehugo.vanderkooij ( 2021-12-09 15:51:53 +0000 )edit

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Asked: 2021-12-08 16:15:45 +0000

Seen: 64 times

Last updated: Dec 09 '21