A Detailed Guide to the OWASP Top 10 - #10 Server-Side Request Forgery Prevention

The video tutorial discusses strategies to prevent Server-Side Request Forgery (SSRF) attacks by leveraging the OSI model. It emphasizes the importance of network layer security, including deny-by-default policies and network segmentation to limit access to essential resources. The application layer strategies include sanitizing and validating user input, disabling HTTP redirections, and restricting outgoing HTTP calls. The tutorial concludes with best practices for minimizing SSRF risks, such as limiting the number of external links users can share.

Why is it important to sanitize and validate all user input data?

What measures can be implemented to limit the number of external links a user can post?