Defining Security Profiles 433 On your Web server, create a welcome page that has a button or link tothe uamlogon.htm page on the Access Point. Users will enter their username and password on the uamlogon.htm page.4 Verify that the wireless security settings on the wireless stations matchthe security settings on the Access Point, including the key (if any).5 Configure the external UAM authentication settings.a On the UAM screen, select the UAM (Universal Access Method) checkbox.b Click External Web-based Authentication.c In Login URL, type the URL to the welcome page that you created instep 3. This is the Web page that users will see when they attempt toconnect to the Internet using a Web browser.d In Login Failure URL, type the URL to a Web page that you want usersto see if they are not successfully authenticated (for example, if theyused invalid logon credentials). This page can also provide new userswith information on how to pay for and obtain Internet access.e In RADIUS Server Address, type the IP address or host name of theRADIUS server that will authenticate clients.f In RADIUS Port, type the port number on the RADIUS server that isconfigured for communication with RADIUS clients.g In Shared Key, type the same key value as the one you set on theRADIUS server.6 Click Save, and then click Close.When external UAM authentication is enabled and configured, anywireless user that attempts to connect to the Internet using a Webbrowser (HTTP/TCP port 80) is redirected to the welcome page youcreated. User must click a link or button to the uamlogon.htm page,where he needs to enter his user name and password. After the userenters a user name and password on the logon page, the RADIUS serverchecks its database to verify that the logon credentials are valid.If the logon credentials are valid, user will be allowed access to theInternet. An entry xx:xx:xx:xx:xx:xx WEB authentication (wherexx:xx:xx:xx:xx:xx is the wireless station’s MAC address) is added tothe Access Point log. The wireless station’s status also appears asAuthenticated on the list of associated stations.