Is it necessary to config protection against DDoS-attacks and reduce load on the server, if application deployed on a virtual machine in the cloud? If I understand correctly, such servers have their own protection… However, I deployed java-application through NGINX (proxy server) and added the next parameters:

This is the situation: I rented (for a trial period) a cloud server and trying to deploy my application .war on Ubuntu Server. Installed Java 17, MySQL and even launched the app. Application run normally, but works on the localhost and program cannot be accessed by IP address.