must match exactly between the config key and the URL.
. Host/domain name (e.g., `example.com` in `https://example.com/`).
- This field must match exactly between the config key and the URL.
+ This field must match between the config key and the URL. It is
+ possible to specify a `*` as part of the host name to match all subdomains
+ at this level. `https://*.example.com/` for example would match
+ `https://foo.example.com/`, but not `https://foo.bar.example.com/`.
. Port number (e.g., `8080` in `http://example.com:8080/`).
This field must match exactly between the config key and the URL.