I concur with all the previous answers that it would be a privacy/security vulnerability if you would be able to do this directly from Javascript. There are two things I can think of: Using Java (with a signed applet) Using signed Javascript, which in FF (and Mozilla in general) gets higher privileges than normal JS … Read more
NOTE As of iOS7, you can no longer retrieve device MAC addresses. A fixed value will be returned rather than the actual MAC Somthing I stumbled across a while ago. Originally from here I modified it a bit and cleaned things up. IPAddress.h IPAddress.c And to use it InitAddresses(); GetIPAddresses(); GetHWAddresses(); int i; NSString *deviceIP … Read more
Server IP You can get the server IP address from $_SERVER[‘SERVER_ADDR’]. Server MAC address For the MAC address, you could parse the output of netstat -ie in Linux, or ipconfig /all in Windows. Client IP address You can get the client IP from $_SERVER[‘REMOTE_ADDR’] Client MAC address The client MAC address will not be available … Read more
Cleaner solution var macAddr = ( from nic in NetworkInterface.GetAllNetworkInterfaces() where nic.OperationalStatus == OperationalStatus.Up select nic.GetPhysicalAddress().ToString() ).FirstOrDefault(); Or: String firstMacAddress = NetworkInterface .GetAllNetworkInterfaces() .Where( nic => nic.OperationalStatus == OperationalStatus.Up && nic.NetworkInterfaceType != NetworkInterfaceType.Loopback ) .Select( nic => nic.GetPhysicalAddress().ToString() ) .FirstOrDefault();