In the Adding a time column section, we opened the Preferences window using Preferences in the Edit menu or by clicking on the Preferences icon in the icon bar to configure the time display column options. There are quite a number of Preferences options that you should be aware of and may want to adjust to customize your Wireshark environment:
Layout: This is used to select the ordering of the Packet List, Packet Details, and Packet Bytes panes.
Columns: This is used to add, remove, and move columns in the Packet List pane.
Filter Expressions: This is used to add, remove, or move the Filter Expression buttons.
Name Resolution: This is used to set the MAC, transport, and network (IP) resolution options.
Protocols: There are options that can be set for all of the protocols that Wireshark supports; some of the most important and useful of these options include: