This book was written to give the reader a well-rounded understanding
of wireless network security. It looks at wireless from multiple perspectives,
ranging from auditor, to security architect, to hacker. This wide
scope benefits anyone who has to administer, secure, hack, or participate
on a wireless network. Going through this book, the reader will see that
it tackles the risk of wireless from many angles. It goes from a policy
level to mitigate certain risks that wireless brings. It talks about the most
cost-effective solutions to deploy wireless across a large enterprise.
As a network administrator, architect, or security professional, you need to understand
the capabilities, limitations, and risks associated with integrating wireless LAN
technology into your current infrastructure. This practical guide provides all the
information necessary to analyze and deploy wireless networks with confidence. It?s the
only source that offers a full spectrum view of 802.11, from the minute details of the
specification, to deployment, monitoring, and troubleshooting.
When the concept of a network without wires was first suggested more than two
decades ago, it sparked the imagination of scientists, product vendors, and users
around the globe eager for the convenience and flexibility of a free roaming connection.
Unfortunately, as the variety of wireless solutions began to emerge, anticipation
turned to disappointment.The first wave of solutions proved inadequate
for the networking, portability, and security needs of a changing IT environment.
Insider attacks pose an often neglected threat scenario when
devising security mechanisms for emerging wireless technologies.
For example, traffic safety applications in vehicular
networks aim to prevent fatal collisions and preemptively
warn drivers of hazards along their path, thus preserving
numerous lives. Unmitigated attacks upon these networks
stand to severely jeopardize their adoption and limit the
scope of their deployment.
With the rapid implementation of Intelligent Transportation System (ITS) applications
throughout the world, the surface transportation system has become more complex
and dependent on an extensive grid of roadways, computing devices, and wireless
and wired communication networks. Authors from several countries have contributed
chapters that focus on different components of ITS and their applications.
If you want to deploy your own wireless network - at home or at the office you must first understand the capabilities and risks associated with the 802.11 protocols. And 802.11 Wireless Networks: The Definitive Guide, 2nd Edition is the perfect place to start. This updated edition covers everything you need to know about integrating wireless technology into your current infrastructure.
Since the fi nal decades of the twentieth century, data networks have known steadily growing
success. After the installation of fi xed Internet networks in many places all over the planet
and their now large expansion, the need is now becoming more important for wireless access.
There is no doubt that by the end of the fi rst decade of the twentieth century, high-speed wireless
data access, i.e. in Mb/s, will be largely deployed worldwide.
Due to faster deployment and lower cost of wireless local loop (WLL) infrastructure as compared to a wired one, worldwide roll-out of WLL service has been highly anticipated. Most of WLL systems deployed so far belong to narrowband systems mainly aimed at providing voice service. These systems can be used as a bypass of wire-line local loop in dense areas and as an extension of existing telephone network in remote areas. In recent years, media-rich content of Internet has put speed pressure on the local loop.
Wireless local loop (WLL) or fixed wireless access systems are attractive solutions to the so-called last mile problem because of their low capital cost, fast network deployment capability and low maintenance cost . They would, therefore, be effective during the transition period from fibre to the curb (FTTC) to fibre to the home (FTTH). WLL has the potential of becoming a major competitor of local exchange networks, cable television (CATV) networks
A wireless ad-hoc network is a wireless network deployed without any infrastructure. In
such a network, there is no access point or wireless router to forward messages among the
computing devices. Instead, these devices depend on the ad-hoc mode of their wireless network
interface cards to communicate with each other. If the nodes are within the transmission
range of the wireless signal, they can send messages to each other directly. Otherwise,
the nodes in between will forward the messages for them. Thus, each node is both an end
system and a router simultaneously....
Wireless Local Loop (WLL) systems offer quick deployment, high data rates and dynamic capacity. These should be compelling reasons for WLL System to supplant wired systems. WLL systems are having only limited success in displacing wired systems because wired systems provide proven reliability at lower cost. Will this always be true? This chapter addresses that one technology path designers can follow to reduce WLL system cost, especially for the more numerous low data rate and voice user.
Wireless Local Loop (WLL) is projected to experience phenomenal growth over the next years. The nature of WLL is such that terminals are not mobile and once installed the subscriber expects trouble-free operation without any service requirements. Meanwhile, new functionality involving enhanced codecs and modems are being developed and expected to be made available to the subscriber. A major challenge facing WLL operators consists of upgrading WLL terminals that are already deployed at the customer site with new functionality [1,3].
iPhone, iPod touch, and iPad are designed to easily integrate with your enterprise
systems, including Microsoft Exchange 2003 and 2007, 802.1X-based secure wireless
networks, and Cisco IPSec virtual private networks. As with any enterprise solution,
good planning and an understanding of your deployment options make deployment
easier and more efficient for you and your users.
The generic cellular communication system, shown in Fig.l, is an
integrated network comprising a land base wire line telephone network and a
composite wired-wireless network. The land base network is the traditional
telephone system in which all telephone subscribers are connected to a
central switching network, commonly known as PSTN (Public Switching
Telephone Network). It is a digital switching system, providing: i)
Switching, ii) Billing, iii) 911 dialing, iv)l-800 and 1-900 calling features, v)...
As of November 8, 2010, Manually entered IP addresses are no longer supported on campus if the device is capable of using DHCP. This is true for normal dynamically assigned IP's and Static IP's. All NEW devices added to the network must be set to receive their network address via DHCP (Dynamic Host Configuration Protocol). This is the default setting for campus PC and Mac workstations and most printers. No user action is anticipated. There is no change or downtime expected for the vast majority of campus workstations or devices. We have made great efforts to put exceptions in place...
Hello, in this module we are going to discuss wireless networking. Specifically, we'll take a look at
how wireless technology works, how it is commonly deployed, and the security issues associated
with using it. Because wireless communications can penetrate opaque objects such as buildings, the
risk of someone accessing a private network increases markedly. With wireless, an attacker does not
need to gain access to physical cables or jacks, but only needs to have an antenna and be within
range of the transmissions....
A Cisco Secure Wireless Network offers customers an integrated, defense-in-depth approach to WLAN
security, and includes WLAN threat detection and mitigation, as well as policy enforcement.
This guide outlines the role of Cisco Security Agent (CSA) in WLAN threat detection and mitigation,
as well as in policy enforcement, and provides an overview of the security features it offers for a WLAN,
along with implementation guidelines to assist in its design and deployment in production networks.
This design guide defines the comprehensive functional components required to build an enterprise virtual private network (VPN) solution that can transport IP telephony and video. This design guide identifies the individual hardware requirements and their interconnections, software features, management needs, and partner dependencies, to enable customers to deploy, manage, and maintain an enterprise VPN solution.
This chapter discusses 802.11 security for customers currently investigating an enterprise wireless LAN
(WLAN) deployment. This chapter focuses on the most current enterprise security features that are
currently available for 802.11 wireless networks. For example, this guide focuses on methods such as
Wi-Fi Protected Access (WPA) and WPA2, and spends little time on Wired Equivalent Privacy (WEP).
This is a timely, readable and comprehensive survey of recent work in the area of mobile networks, providing a good background reader for students and practitioners alike. It highlights some of the opportunities and challenges that accompany the deployment of both current wireless LANs as well as next-generation mesh and multihop networks.