, vì vậy bạn sẽ không ngạc nhiên khi biết rằng phương pháp này EAP được hỗ trợ trong hệ thống điều hành Microsoft XP. Bạn có thể tìm thấy những phần mềm supplicant cần thiết cho các loại EAP khác nhau ở ba nơi khác nhau: Trong hệ thống điều hành của bạn: | Chapter 10 Staying Safe on Any Wireless Network 173 JiWire Spotlock The folks at JiWire you might know them for their hot spot finder services have just launched a VPN and security service for hot spot users called Spotlock . Spotlock combines IPSec VPN connectivity with JiWire s hot spot database making it easy for you to both find and securely connect to a hot spot. Other features for your a month or a year include a connection manager that saves and manages your hot spot connections for you and an SMTP relay service that makes it easier to send e-mail messages when you re away from home that is if your ISP doesn t allow outgoing e-mail when you re not connected to the ISP s own network . Another company focusing on the wireless security of mobile workers and hot spot aficionados is HotSpotVPN. The company offers a slightly broader menu of services than personalVPN with both a software client-based SSL service HotSpotVPN2 or a service that uses the VPN client software built into Windows 2000 XP Palm OS Mac OS X or PocketPC HotSpotVPN1 . The range of choices also includes the strength of the encryption used ranging from very strong 128-bit Blowfish to super-duper-pretty-much-unbreakable-by-even-the-government 256-bit AES . The pricing of HotSpotVPN varies depending upon the service taken 1 or 2 and the strength of the encryption. You pay less money for weaker encryption which isn t quite as secure but which makes for a faster connection Costs range between and a month. You can also buy short-term one- three- or seven-day contracts for less than the monthly amount if you get on the road only infrequently. Using SSL to connect to Web sites Whether you re using a secure or insecure hot spot or whether you re using a VPN you should take some basic security precautions when doing sensitive things on the Internet. For example Don t send your credit card number in an unencrypted e-mail be sure to turn on .
