I read on WinSockAPI that IP spoofing is disabled for Desktop windows devices (non-servers like Windows 7, etc). However, I've been able to do IP spoofing using nmap, so clearly this is possible. However, nmap requires admin privileges. Is it possible to send spoof packets as a user?
With nmap, I did see the error, but it sent the packets anyways.
NSOCK ERROR [1.4590s] mksock_bind_addr(): Bind to [spoofed IP]:0 failed (IOD #5): The requested address is not valid in its context. (10049)