<p>Turns on the OCSP Must-Staple TLS extension. Make sure you know what you're doing! OCSP Must-Staple can be considered a legacy feature, that is no longer superted by Let's Encrypt. See:</p><ul><li><a href="https://letsencrypt.org/2024/12/05/ending-ocsp" rel="nofollow">https://letsencrypt.org/2024/12/05/ending-ocsp</a></li><li><a href="https://blog.apnic.net/2019/01/15/is-the-web-ready-for-ocsp-must-staple/" rel="nofollow">https://blog.apnic.net/2019/01/15/is-the-web-ready-for-ocsp-must-staple/</a></li><li><a href="https://blog.hboeck.de/archives/886-The-Problem-with-OCSP-Stapling-and-Must-Staple-and-why-Certificate-Revocation-is-still-broken.html" rel="nofollow">https://blog.hboeck.de/archives/886-The-Problem-with-OCSP-Stapling-and-Must-Staple-and-why-Certificate-Revocation-is-still-broken.html</a>.</li></ul>

security.acme.defaults.ocspMustStaple

Turns on the OCSP Must-Staple TLS extension