# Functions
GetMacIface - gets mac interface.
SetIPForwarding - Sets IP forwarding if it's mac or linux.
SetIPForwardingFreeBSD - sets the ipforwarding for freebsd.
SetIPForwardingMac - sets ip forwarding for mac.
SetIPForwardingUnix - sets the ipforwarding for linux.
SetIPForwardingWindows - sets ip forwarding for windows.