tailieunhanh - Wireless Network Hacks & Mods for Dummies phần 5

Các tiêu chuẩn EAP khác thường được sử dụng trong mạng Wi-Fi là hệ thống PEAPv0 / EAP-MSCHAPv2. Tiêu chuẩn này sử dụng một sự kết hợp tên người dùng và mật khẩu để xác thực người dùng, thay vì chứng nhận kỹ thuật số. Bằng cách này, MS trong MSCHAPv2 là viết tắt của Microsoft | Chapter R Staying Safe in the Wireless World 135 The other EAP standard often used in Wi-Fi networks is the PEAPv0 EAP-MSCHAPv2 system. This standard uses a username and password combination for user authentication instead of digital certificates. By the way the MS in MSCHAPv2 stands for Microsoft so you won t be surprised to learn that this EAP method is supported in Microsoft XP operating systems. You can find the supplicant software needed for these different EAP types in three different places In your operating system Macintosh OS X and later and Microsoft Windows XP Service Pack 1 and later both include support for and most common EAP types. In your wireless adapter client software Although letting Windows control your wireless networking hardware with the Zero Config wireless networking system is often the easiest approach all Wi-Fi adapters also come with their own drivers and client software that can be used for connecting to networks configuring the adapters and such. If the device supports you can also use this software as your supplicant. If you re connecting a non-PC device like a media adapter or a wireless Ethernet bridge this is where you re going to find the EAP support usually in the Web-based interface to the device. In some third-party software Many of the hosted solutions we talk about later in this chapter include special client software you can install on your PC or Mac. This software includes the appropriate supplicant so you won t need to rely on one of the other two sources. This is especially helpful if the EAP type you re using is a little bit off the beaten path in other words not supported natively in Windows or Mac OS X . We give you some examples of how to use EAP and supplicant software to connect to an AP in the next section. Securing Your Own Network Throughout the rest of this chapter we step back from the boring but important details about security standards and systems and .