Family of Wireless Capture Adapters User’s Guide
8 AirPcap User’s Guide section WEP Keys on page 11 and The Decryption Keys Management Dialog on page 18 for more information. Multiple Channel Cap
AirPcap User’s Guide 9 Configuring the Adapters: the AirPcap Control Panel The AirPcap control panel (Figure 1) provides a convenient and intuitiv
10 AirPcap User’s Guide Settings The AirPcap N adapterIs Selected.Extension ChannelDrop-down List forAirPcap NThe AirPcap N adapterIs Selected.Ext
AirPcap User’s Guide 11 specification). PPI and radio information includes additional information not contained in the 802.11 frame: transmit rate
12 AirPcap User’s Guide consideration, since the driver uses the keys in the order they appear in this list. The currently configured keys are sho
AirPcap User’s Guide 13 the traffic from all the installed USB AirPcap adapters, as if it was coming from a single device (this feature does not i
14 AirPcap User’s Guide AirPcap and Wireshark The user interface of Wireshark is completely integrated with AirPcap. This increases your productiv
AirPcap User’s Guide 15 When Wireshark starts, the active interface is the default one (Edit→Preferences→Capture→Default Interface). During Wiresh
16 AirPcap User’s Guide • Decryption mode: can be one of the following: o None: no decryption is performed, neither at the driver level nor in W
AirPcap User’s Guide 17 Figure 7: Wireless Settings Dialog in Wireshark The parameters that can be configured are: • Channel: the channels are
Copyrights Copyright © 2007 CACE Technologies, LLC. All rights reserved. This document may not, in whole or part, be: copied; photocopied; reproduced;
18 AirPcap User’s Guide The Decryption Keys Management Dialog This dialog window (shown in Figure 8) can be used to organize the keys that will be
AirPcap User’s Guide 19 WEP keys are array of bytes of arbitrary length expressed in hexadecimal. WPA and WPA2 keys can be of two types: • Passph
20 AirPcap User’s Guide Transmit Raw 802.11 Frames on Your Network For advanced users, AirPcap Tx and AirPcap Ex have the ability to inject raw 80
AirPcap User’s Guide 21 Where to Learn More The best sources of information about the Wireshark network analyzer are: • The documentation page on
22 AirPcap User’s Guide Appendix A: 802.11 Frequencies 2.4GHz Band 2312MHz to 2372 MHz in 5MHz steps. The 802.11b/g center frequencies and corresp
AirPcap User’s Guide 23 • 4920MHz to 4995MHz in 5MHz increments. These correspond to A channels 240 to 255. • 5000MHz to 5995MHz in 5MHz increme
i Contents and Figures Contents The AirPcap Product Family...3 A Brief Intro
ii AirPcap User’s Guide Figures Figure 1: The AirPcap Control Panel. Settings Tab...9 Figure 2: AirPcap N and Ex
3 The AirPcap Product Family The AirPcap offerings are the first open, affordable and easy-to-deploy packet capture solution for Windows. All of
4 AirPcap User’s Guide A Brief Introduction to 802.11 Terminology The terms Wireless LAN or WLAN are used to indicate a wireless local area networ
AirPcap User’s Guide 5 18, 24, 36, 48 and 54 Mbps. 802.11i, ratified in 2004, defines an enhanced security mechanism based on AES. 802.11n, expec
6 AirPcap User’s Guide interference and accommodate good wireless coverage using multiple BSSs. A BSS is formed by wireless clients “associating”
AirPcap User’s Guide 7 The Control frames are used to improve the reliability characteristics of the link. The establishment of a BSS through the
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