(well, assuming the callout in the docs is still accurate) > Currently, mTLS for Workers cannot be

(well, assuming the callout in the docs is still accurate)

Currently, mTLS for Workers cannot be used for requests made to a service that is a proxied zone on Cloudflare. If your Worker presents a client certificate to a service proxied by Cloudflare, Cloudflare will return a 520 error.
Was this page helpful?