How to Prevent SSRF Vulnerabilities (Server-Side Request Forgery)

Last time on Security Simplified, we talked about how attackers use SSRFs (Server-Side Request Forgeries) to invade a company's network. https://www.youtube.com/watch?v=BIzFRRQ-sSA&t=262s This time, let's talk prevention. How can you prevent open redirects? And how do you minimize their impact if they do happen?