Virtual Private Wireless Local Area Networking

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Authors
  1. Genik, L.
  2. Kellett, M.
  3. Mason, P.C.
  4. Salmanian, M.
  5. Aftahi, V.
Corporate Authors
Defence R&D Canada - Ottawa, Ottawa ONT (CAN)
Abstract
Wireless networks offer advantages such as low cost, ease of set up, and mobility to users; however, due to security concerns, many network administrators do not allow their connection to corporate networks. In this paper, the security of IEEE 802.11 wireless local area networking (WLAN) protocols and common virtual private networking (VPN) protocols are examined. A virtual private wireless local area network (VPWLAN) test bed is set up using Colubris CN1250 access points (APs), with the Layer 2 Tunneling Protocol (L2TP) over IPsec and 802.11b secured with Wi-Fi Protected Access (WPA) (to be upgraded to 802.11i). A security analysis of this architecture is performed. It is concluded that a layered security approach using strong authentication, VPN technology, and encryption at the link layer provide sufficient security to connect such a network to a sensitive, but unclassified, network, such as the Defence Research Network (DREnet). This paper is likely of interest to individuals concerned with evaluating wireless VPN access to a corporate network.

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Keywords
Wireless networks;WLAN (Wireless Local Area Network)
Report Number
DRDC-OTTAWA-TM-2006-124 — Technical Memorandum
Date of publication
01 Jul 2006
Number of Pages
148
DSTKIM No
CA027903
CANDIS No
525777
Format(s):
CD ROM

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