JUST SHARE 參考文獻所得到結論 :
WEP 是一種較古老的加密演算法，在1999年9月正式批准為IEEE 802.11的加密標準，使無線網路傳送的資料安全性 可以如 有線網路般的安全，但在2003年WEP已被證實是有非常多缺陷的，因而由WPA取代。
WPA2 是 WPA的進化版本，提供更安全的網路加密環境。
因此使用 WPA2 -AES 可使無線網路得到最佳的保密效果。
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WEP - Wired Equivalent Privacy
Wired Equivalent Privacy (WEP) is a security algorithm for IEEE 802.11 wireless networks. Introduced as part of the original 802.11 standard ratified in September 1999, its intention was to provide data confidentiality comparable to that of a traditional wired network.[1] WEP, recognizable by the key of 10 or 26 hexadecimal digits, is widely in use and is often the first security choice presented to users by router configuration tools.[2][3]
Although its name implies that it is as secure as a wired connection, WEP has been demonstrated to have numerous flaws and has been deprecated in favor of newer standards such as WPA2. In 2003 the Wi-Fi Alliance announced that WEP had been superseded by Wi-Fi Protected Access (WPA). In 2004, with the ratification of the full 802.11i standard (i.e. WPA2), the IEEE declared that both WEP-40 and WEP-104 "have been deprecated as they fail to meet their security goals".[4]
上文截自"WIKI"
What are WEP, WPA, and WPA2? Which is best?
Using WEP/WPA/WPA2 on the wireless access point or router: Most wireless access points and routers today allow you to select during setup the security protocol to be used. Unfortunately, the default in many wireless devices is WEP--or, worse, nothing. If you are setting up your own network, make sure you use WPA2 or at least WPA.
上文截自"Mobile Office About.com"
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Reference
What are WEP, WPA, and WPA2? Which is best?
WPA vs WEP: How your Choice Affects your Wireless Network Security
http://www.openxtra.co.uk/articles/wpa-vs-wep
http://www.openxtra.co.uk/articles/wpa-vs-wep
The differences between WEP and WPA
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