cf.tls_client_auth.cert_ski
cf.tls_client_auth.cert_ski String  The Subject Key Identifier (SKI) of the certificate in the request.
This field is only filled in if the request includes a client certificate for mTLS authentication.
Example value:
"27846FAE6EAC4A8DAD9101B519CF1EB460242831" Categories: 
    - Request
- mTLS