EDIT #4: Please ensure that the ports 18081 and 18082 are open on your network, otherwise, the daemon and wallet RPCs cannot work. Check your firewall settings too, and also, you can change the host and port settings in the options menu.
Please do not do this. Only port 18080 (p2p) should be open to outside connections (inside connections are generally okay though), the rest should be closed to outside access. You don't want random people on the internet making RPC requests against your node or wallet.