User Guide

Introduction
2
Figure 1.1, Wireshark captures packets and allows you to examine their content. shows Wireshark
having captured some packets and waiting for you to examine them.
Figure 1.1. Wireshark captures packets and allows you to examine their content.
1.1.3. Live capture from many different network media
Wireshark can capture traffic from many different network media types - and despite its name - including
wireless LAN as well. Which media types are supported, depends on many things like the operating
system you are using. An overview of the supported media types can be found at: http://wiki.wireshark.org/
CaptureSetup/NetworkMedia.
1.1.4. Import files from many other capture programs
Wireshark can open packets captured from a large number of other capture programs. For a list of input
formats see Section 5.2.2, “Input File Formats”.
1.1.5. Export files for many other capture programs
Wireshark can save packets captured in a large number of formats of other capture programs. For a list of
output formats see Section 5.3.2, “Output File Formats”.
1.1.6. Many protocol decoders
There are protocol decoders (or dissectors, as they are known in Wireshark) for a great many protocols:
see Appendix B, Protocols and Protocol Fields.