Need Software for wifi

Hi … i am a system admin in small organization. i have setup wifi in my organization access internet via WEP key…. my question is need a software to connect my internet via through browser where to ask authentication. the people can access my internet i will give username and password…..and limitted access….
sorry for Bad English … try to understand and suggest me…
Answer #1
LOL, What kind of admin uses WEP?
Anyways, You would need to use a RADIUS server for this task, And also, The router has to support external RADIUS authentication for this to work!
Refer to these:

http://en.wikipedia.org/wiki/RADIUS
http://www.serverwatch.com/server-reviews/the-9-best-low-cost-radius-servers.html
http://www.enterprisenetworkingplanet.com/netsecur/article.php/3834251/Use-FreeRADIUS-for-WiFi-Authentication.htm
http://www.howtoforge.com/wifi-authentication-accounting-with-freeradius-on-centos5
Answer #2
Don’t let them get onto the network to begin with without authenticating otherwise they can hover up all the ip addresses or launch some other attack.
You are looking for WPA 2 Enterprise. Cisco devices can do this without a RADIUS server by entering users on the router if your going with RADIUS you’ll want at least two servers.
Answer #3
Almost of the WIFI router/modem has a driver with them. You can setup everything in there. So, your question is everyone can connect to a network but need to verify using the browser? Yes, just check for the manufacturer of the device you are using and download it (for example linksys, cisco, and more.)
Answer #4
thank you guys
Answer #5
useful information
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