Why is it possible to connect to an EC2 instance using SSH but not HTTP?

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SSH (Secure Shell) is a secure communication protocol that provides encrypted communication between two networked devices. It is designed to provide a secure remote access to a machine, which is why it is commonly used to connect to EC2 instances. On the other hand, HTTP (Hypertext Transfer Protocol) is a protocol used for transferring data over the internet.

Connecting to an EC2 instance using SSH requires a secure connection, which is provided by the SSL/TLS protocol. This protocol encrypts the connection, ensuring that the connection between the client and the server cannot be intercepted or modified by a third party. Once the connection is established, the client can securely access the remote server and execute commands on it.

In contrast, connecting to an EC2 instance using HTTP requires an open connection that does not provide any encryption or security. This makes it vulnerable to interception or modification by third parties. Additionally, the EC2 instance is not designed to provide web server functionality by default, so connecting to it using HTTP would require additional configuration and settings that may not be available or practical. Overall, SSH provides a secure and reliable way to connect to and manage EC2 instances, while HTTP is not well-suited for this purpose.