Hi every body,

we have a JAVA web application to issued bus tickets throw Internet or Point to point connect to out data center.can any body help me to find the system info of client like Mac address, ipaddress or any othere unique information of client machine so that i can restrict accessing our application from un-authorized mechines. all mechines user windows XP only


java.net would be first place to begin with. Start spending time with Java for Networking type of stuffs. It shouldn't be too difficult.