Layers 2-4įor any major protocol, there is query for each direction and either. If you create a filter and want to see how it is evaluated, dftest is bundled with Wireshark. Single quotes are recommended here for the display filter to avoid
To use a display filter with tshark, use the -Y 'display filter'. Introduction to Display Filtersĭisplay filters allow you to use Wireshark’s powerful multi-pass packet processing capabilities. Hak5’s video on Display Filters in Wireshark is a good introduction.
If you are unfamiliar with filtering for traffic, Filter with Regex: matches and containsĭisplay Filters are a large topic and a major part of Wireshark’s popularity.
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