Explain how to secure service-to-service communication in a Spring Cloud environment using Spring Security.
- By configuring a shared secret key between services for secure communication.
- By exposing REST endpoints for service authentication and using JWT tokens.
- By using HTTP Basic Authentication and securing the communication over HTTPS.
- By using OAuth2 for authentication and authorization between services.
To secure service-to-service communication in a Spring Cloud environment using Spring Security, you can use OAuth2. This involves setting up an OAuth2 authorization server and resource servers. Services authenticate and authorize using OAuth2 tokens, ensuring secure communication. Exposing REST endpoints for service authentication and using JWT tokens is one approach, but it's just a part of the broader OAuth2-based security setup. Configuring a shared secret key or using HTTP Basic Authentication doesn't provide the same level of security and flexibility as OAuth2 in a Spring Cloud environment.
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