Unable to setup Nginx

Summary:

I am trying to set the Nginx service in my ubuntu VPS, I followed the few steps to install Nginx in ubuntu but when i try to access Nginx home page by typing the public ip in the browser but i get the message: "took too long to respond"

Let me give you more details:

1. I created and vps instance with Ubuntu as an image
2. I Installed Nginx and activated the service to listen through port 80 (any extra config, just the default one)
3. I created an ingress rule in my security list to allow connections to the port 80: (
4. I tried to connect to the server by typing the public ip in the browser but i got the message "took too long to respond"