Évaluations - 5, GPA: 4.2
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All rights reserved. This document may not, in whole or part, be: copied; photocopied; reproduced; translated; reduced; or transferred to any electronic medium or machine-readable form without prior consent in writing from CACE Technologies, LLC. AirPcap Family of Wireless Capture Adapters User’s Guide Document Version: 3.1 Document Revision: August 2007 CACE Technologies, LLC Davis, CA 95616 (530) 758-2790 (530) 758-2781 (fax) support@cacetech.com Contents and Figures Contents The AirPcap Product Family........................................................................3 A Brief Introduction to 802.11.....................................................................4 Terminology............................................................................................4 802.11 Standards .....................................................................................4 Channels ..................................................................................................5 Types of Frames......................................................................................6 How AirPcap Adapters Operate...................................................................7 Multiple Channel Capture (applies to USB adapters only)....................8 Configuring the Adapters: the AirPcap Control Panel ................................9 Identifying the AirPcap Adapters ...........................................................9 Settings ..................................................................................................10 WEP Keys .............................................................................................11 The Multi-Channel Aggregator (applies to USB AirPcap adapters only) ........................................................................................12 AirPcap and Wireshark...............................................................................14 Identifying the AirPcap Adapters in Wireshark ...................................14 The Wireless Toolbar............................................................................14 The Wireless Settings Dialog................................................................16 The Decryption Keys Management Dialog ..........................................18 The Multi-Channel Aggregator (applies to USB AirPcap adapters only) ........................................................................................19 Transmit Raw 802.11 Frames on Your Network.......................................20 Where to Learn More .................................................................................21 Appendix A: 802.11 Frequencies...............................................................22 2.4GHz Band.........................................................................................22 5GHz Band............................................................................................22 Channels Supported by the AirPcap Product Family ...........................22 Figures Figure 1: The AirPcap Control Panel. Settings Tab.....................................9 Figure 2: AirPcap N and Extension ChannelSetting................................. 10 Figure 3: The AirPcap Control Panel. Keys Tab. ..................................... 12 Figure 4: Multi-Channel Aggregator......................................................... 13 Figure 5: The Wireshark Adapters List..................................................... 14 Figure 6: The Wireshark Wireless Toolbar............................................... 15 Figure 7: Wireless Settings Dialog in Wireshark...................................... 17 Figure 8: Decryption Keys Management Dialog in Wireshark................ 18 Tables Table 1. Feature Comparison for the AirPcap Product Family ...................3 AirPcap User’s Guide The AirPcap Product Family The AirPcap offerings are the first open, affordable and easy-to-deploy packet capture solution for Windows. All of the AirPcap offerings will capture full 802.11 data, management, and control frames that can be viewed in Wireshark thereby providing in-depth protocol dissection and analysis capabilities. Below we provide a feature matrix that gives a high- level overview of the feature sets of the adapters in the AirPcap Product Family. More detailed information regarding each the member of the AirPcap Product Family can be found on the CACE Technologies Website AirPcap Classic AirPcap Tx AirPcap Ex AirPcap N Captures Full 802.11 Frames Yes Yes Yes Yes Fully Integrated with Wireshark Yes Yes Yes Yes Open API Yes Yes Yes Yes Multi-Channel Monitoring (with 2 or more adapters) Yes Yes Yes No Packet Transmission No Yes Yes No External Antenna Connector No No Yes No Form Factors USB Dongle USB Dongle USB Dongle Cardbus (32 bits)1 Frequency Bands 2.4GHz (b/g) 2.4GHz (b/g) 2.4 and 5GHz (a/b/g) 2.4 and 5GHz (a/b/g/n) Table 1. Feature Comparison for the AirPcap Produc...