除非我打开所有IP，否则无法连接到EC2 SQL Server

Strange issue. I have SQL Server running on an EC2 box that I can connect to remotely fine if I open up all IPs (0.0.0.0/32) for port 1433. If I just open up for the IP I'm connecting from then it I get a connection error. I can't even ping the server on port 1433 (using Strange issue. I have SQL Server running on an