How to setup mac ox for Facebook call back URL

1. Type ifconfig en0 in the terminal. The output will be like:

en0: flags=8863 mtu 1500
inet6 fe80::211:24ff:fed6:3436%en0 prefixlen 64 scopeid 0x4
inet AAA.XXX.Z.YYY netmask 0xffffff00 broadcast 192.168.1.255
ether 00:11:24:d6:34:36
media: autoselect (1000baseT ) status: active


2. Go to Linksys, Applications and Gaming tab, Port Range Forwarding and give a name for the application, specify start and end port (ex 3000 &B 3010), Protocol is both, To IP Address will have AAA.XXX.Z.YYY value, check the enabled box. Click on Save Settings.

3. In setup, DDNS tab, select DynDNS.org as the DDNS service and provide the username, password and hostname that you specified when you created an account with DynDNS.com site. System value is Capture(ddn.dynamic)Dynamic. All other values are default. Click Update and Save Settings.

4. Login to Facebook and specify the hostname and values for other parameters consistent with the above steps.

That's it. Now you can run the Facebook app and it will call your Rails app running on your machine.