The address (without port) the certificate authority should listen at. This combined with <a href="/nixpkgs/option/services.step-ca.port"><a href="/nixpkgs/option/services.step-ca.port" rel="nofollow">services.step-ca.port</a></a> overrides <a href="/nixpkgs/option/services.step-ca.settings.address" rel="nofollow">services.step-ca.settings.address</a>.

services.step-ca.address

The address (without port) the certificate authority should listen at