To configure capture filters before starting with the capture, go through the following steps:
- To configure a capture filter, click on the Capture options button, fourth from the left, as shown in the following screenshot:
- The Wireshark - Capture Interfaces window will open, as you can see in the following screenshot:
- Mark the interface you want to capture, and in the Capture filter for selected interfaces fill in the filter expression you want to use (you can verify which interface is the active one, as described in Chapter ...