11N Wireless Broadband Router User Guide
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the network.WP A2 i s the second gen eration of WP A
security and provides a stronger encryption mechanism
through Advanced Encryption Standard (AES), which is
a requirement for some government users.
802,1x authentication
Static W EP k ey is d ifficult t o ma nage fo r wh en y ou
change the key, you will have to inform all others, and if
the key is disclosed in one of the places, the key can no
longer provide security. Besides, there’s severe security
loophole about static WEP encryption. The WEP key can
be d ecrypted after one person rec eives a speci fic
amount of data vi a wi reless i ntercepting. 802, 1x i s
initially used for wired Ethernet authentication access to
prevent illegal users from accessing the network. Later,
it is found that 802. 1x can better solve the wireless
network securi ty probl em. EA P-TLS of the 80 2.1x
successfully achi eves the two- way authenti cation
between use rs and networks, i.e. can prevent illegal
users from accessing the network and can also prevent
users from accessing the ill egal AP. 802.1x utilizes
dynamic WEP encrypti on to protect th e WEP key fr om
being decryp ted. To sol ve the publ ishing probl em for
digital certification, people make some changes to TLS
authentication and TTLS and EAP come into exist, which
enable you to access the network by usi ng the
traditional way of aut hentication: username and
password.
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