Editing protocol preferences
In Wireshark, you can modify most protocols by doing either of the following:
- Right-clicking while on the IP header and selecting Protocol Preferences, where you will see a list of preferences
- Going to Edit | Preferences | Protocols, and then selecting the appropriate protocol
Let's start with the protocol preferences for IPv4, as this is currently the most commonly used protocol on a LAN today.
Reviewing IPv4 preferences
To modify IPv4 preferences, you can use one of the methods listed previously, or you can right-click while on the header and select Protocol Preferences, and then select the Open Internet Protocol Version 4 preferences... shortcut, as shown here:
Figure 11.10 – IPv4 preference shortcut
Once you select the shortcut, a list of preferences will be listed, as shown in the following screenshot:
Figure 11.11 – IPv4 preferences
Once there, you can modify...
