IT Security Guidelines for Transport Layer Security v2.1(TLS)
Publications and reports
Transport Layer Security (TLS)
Verdiepen
These guidelines are intended as advice during procurement, set-up or review of configurations of the Transport Layer Security protocol (TLS) on servers. TLS is the most popular protocol to secure connections on the Internet. This publication offers recommendations on how to set up a TLS configuration that protects your application in an appropriate manner.
An update of the IT security guidelines for Transport Layer Security is available since 05-2025.