Origin server

• Encryption modes: Encryption modes allow you to control how Cloudflare connects to your origin web server and how certificates presented by your origin are validated.
• SSL/TLS Recommender: The SSL/TLS Recommender helps you choose which Encryption mode is best for your application.
• Origin CA certificates: Origin Certificate Authority (CA) certificates allow you to encrypt traffic between Cloudflare and your origin web server, and reduce origin bandwidth consumption.
• Authenticated Origin Pulls (mTLS): Authenticated Origin Pulls helps ensure requests to your origin server come from the Cloudflare network.
• Custom Origin Trust Store: Custom Origin Trust Store allows you to upload certificate authorities (CAs) that Cloudflare will use to authenticate connections to your origin server.
• Cipher suites: Review a list of cipher suites that Cloudflare presents to origins during an SSL/TLS handshake.