Configuring TCP and UDP preferences for troubleshooting
In most cases you can use the default Wireshark parameters for TCP and UDP network analysis, but there are also some changes that can be configured. The changes will be configured in the Preferences window.
Getting ready
For TCP or UDP configuration:
Start Wireshark, and from the Edit menu, choose Statistics.
Under Protocols, choose TCP or UDP.
How to do it...
In this section we will see how to configure TCP and UDP preferences.
UDP parameters
Let's see some parameters that can influence the capture of UDP:
You can configure the following parameters in UDP:
Show UDP summary in protocol tree: Mark this button if you want the UDP summary line to be shown in the protocol tree (set by default)
Try heuristic sub-dissectors first: Try to decode a packet using the heuristic method before using a sub-dissector registered to the specific port
Validate the UDP checksum if possible: Validates the UDP checksum
Collect process flow information: Collects...
