Mutual TLS, a TLS variant where the client also presents a certificate that the server checks, giving authentication in both directions.
Also called mutual TLS.
Read more: Microsoft Learn
In the Ultra Transcenders books
Each book explains mTLS in context, with comparison tables and the common traps.
Terms in this definition
- TLS
Transport Layer Security, the encryption protocol for traffic like HTTPS and Bastion sessions over port 443. On a storage account, minimumTlsVersion fixes the oldest accepted version without opening any network access.
- VARIANT
A type for semi-structured data like JSON whose structure isn't fixed, available from Databricks Runtime 15.4. It is preferred to storing JSON as strings but can't serve as a partition column.
- WHERE
Limits a SELECT, UPDATE or DELETE to just the rows meeting a condition. Omit it, and the statement hits every row.
- Certificate
Key Vault object holding an X.509 certificate, whose associated key and secret are managed alongside it.
- Authentication
Checking an identity claim made by a person, device or app, for instance by asking for a password plus an extra factor. Authorisation only happens once this step has succeeded.
Related terms
- Application Gateway Basic SKU
Low-traffic Application Gateway v2 SKU that supports header rewrite but omits WAF, mTLS and URL rewrite.
- Istio
A service mesh offered as an AKS add-on, providing mTLS, routing and traffic splitting.
- SSL profile
Settings on an Application Gateway v2 listener that hold a listener-specific SSL policy and client authentication, meaning the trusted client CA chain used for mutual TLS.