You can mark packets in the “Packet List” pane. A marked packet will be shown with black background, regardless of the coloring rules set. Marking a packet can be useful to find it later while analyzing in a large capture file.

Marked packet information is not stored in the capture file or anywhere else. It will be lost when the capture file is closed.

You can use packet marking to control the output of packets when saving, exporting, or printing. To do so, an option in the packet range is available, see Section 5.9, “The “Packet Range” Frame”.

There are several ways to mark and unmark packets. From the Edit menu you can select from the following:

You can also mark and unmark a packet by clicking on it in the packet list with the middle mouse button.