change 127.0.0.1 to your internal ip (Example: 192.168.1.2) login in to your router and forward the ports to the internal IP.
Example: [You must be registered and logged in to see this image.]
And if you do not use a router I beleive you can use your public IP address.
and on your 188.8.131.52 RF.exe launcher, hex in your public IP address
Don't forget to use the SQL Server Configuration manager to edit the SQL server TCP/IP address and enable the internal IP.