O'Reilly logo

Practical Packet Analysis by Chris Sanders

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Capture and Display Filters

Earlier we discussed saving packets based upon filters. Filters allow us to show only particular packets in a given capture. We can create and use an expression to find exactly what we want in even the largest of capture files. An expression is no more than a string of text that tells Wireshark what to show and what not to show.

Wireshark offers two types of filters: capture filters and display filters.

Capture Filters

Capture filters are used during the actual packet capturing process, and are applied by WinPcap. Knowledge of their syntax can be useful in other network analysis programs, as well. You can configure them in the Capture Options dialog where you can specify which traffic you want or don't want to be captured. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required