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Difference of between LAN and WLAN and Network Security

HE Qiu-ping,NIN Jian-chuang(Guangxi Co.Ltd,China Mobile Communication Group,Nanning Guangxi 530004,China)  
The network topology should be changed according to various business needs.However,the in-depth analysis indicates that the basic network form would remain unchanged while the changes take place on centain implementation or organization.For the traditional LAN,most security protections are done physically,such as cutting off the possible access of the external network,these security protection measures and awareness are relatively weak.The emergence of WLAN breaks the physical enclosure of a LAN,and the user would face a more controllable,unpredictable environment and a more serious security,and thus is more vulnerable to various attacks.Based on the study of Guangxi Mobile WLAN security,WLAN security problems are analyzed from the organization differences of these two networks.
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