Capture/Display Filters

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By default there is already a list, but if I deleted them all, "everything" is still displayed in the display window.

To which display window are you referring? If I delete all the capture filters in the Capture > Capture Filters... window, click "OK", and then reopen that window, it shows no capture filters. And, once I've deleted the filters, iIf I click on the green ribbon on the left-hand side of the "Enter a capture filter" box on the main screen, it now shows no capture filters.

However, if I click on the right side of the "Enter a capture filter" box on the main screen, it shows filters - because those aren't from the Capture > Capture Filters... list, those are automatically remembered filters that have been used in the past.

Capture -> Capture Filters... is used to manage the list of Capture Filters available on

Capture -> Options -> Capture filter for selected interfaces:

These are used when capturing packets with Wireshark. To limit the packets in the Packet List apply a Display Filter.