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Limit capture size


I can see in the "Capture Interface" menu under the "Options" tab you can set Wireshark to "stop capture automatically after..." a set parameter but this option is lost when Wireshark is closed and reopened.

I am trying to set Wireshark to stop capturing if it reaches a certain file size and would like the option to be set perpetually as a fail safe. I have had a couple of systems go down after the Wireshark desktop application was left running and all the systems memory was used.

Many thanks,

Andy K