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đồ gỗ, và giắc cắm điện thoại. Trong trường hợp của một trang web trung tâm dữ liệu ấm áp, thường được trang bị với thiết bị máy tính nhưng phần mềm hệ thống không, ứng dụng, hoặc dữ liệu. Một trang web đó là một không gian làm việc để trần, nói chung là cung cấp nhiệt, ánh sáng và sức mạnh - nhưng rất ít hoặc không có gì khác. | Wireless Security Chapter 2 23 Figure 2.4 Enable WEP on the WRT54G Linksys A Division of Cisco Systems inc. Firmware Vision V4.3D.S Wireless Wireless-G Broadband Router WRT54GL Setup Wireless Security Administration Status Restrictions a Gaming Basic Wireless Settings 1 Wireless Security 1 Wireless MAC Filter 1 Advanced Wireless Settings Figure 2.5 The WEP Keys Window Linksys A Division of Cisco Systems. Inc. Firmware XArsion V4.3D.5 Wireless-G Broadband Router WRT54GL Wireless Setup Wireless . . Access Applications . . - Security _ . Administration Status Restrictions s Gaming Basic Wireless Settings 1 Wireless Security 1 wireless MAC Filter 1 Advanced wireless Settings Security Mode Default Transmit Key 128 bits 26 hex digits V WEP Encryption Passphrase Wireless Security Security Mode You may choose from Disable WEP WPA Pre-Shared Key.WPA RADIUS or RADIUS. All devices on your network must use the same security mode in order to communicate. z@k3r7 M0nSt3r FC68488C5744854BC15942C34E C8DD572C2D6D51C54D293885B7 21505344B211A11F20F47FF29F CB98D298C2AB039A4677A251 AD Next select the key 1-4 that you will initially use by choosing the appropriate radio button next to Default Transmit Key. Finally click Save Settings in the Wireless Security tab to save your settings. www.syngress.com 24 Chapter 2 Wireless Security Some Independent Advice Some people will argue that WEP is a broken standard and should not be used. Yes WEP is an easy protocol to hack and allows intruders to gain the encryption key to your wireless network using tools included in the Aircrack suite. However due to wireless connections by other devices game consoles PDAs and the like you may be forced to use WEP instead of the more secure WPA. Remember that no security is bad security and that something is always better than nothing. Enabling WEP encryption on your network may be the difference between your network or your unencrypted neighbor s being hacked. Enabling Wi-Fi Protected Access An alternative .
