cert\_path |**Required.** Path to the public key.
key\_path |**Required.** Path to the private key.
ca\_path |**Required.** Path to the CA certificate file.
- ticket\_salt |**Optional.** Private key for auto-signing. **Required** for a signing master instance. Defaults to the `TicketSalt` constant defined in [constants.conf](04-configuring-icinga-2.md#constants-conf).
+ ticket\_salt |**Optional.** Private key for auto-signing. **Required** for a signing master instance.
crl\_path |**Optional.** Path to the CRL file.
bind\_host |**Optional.** The IP address the api listener should be bound to. Defaults to `0.0.0.0`.
bind\_port |**Optional.** The port the api listener should be bound to. Defaults to `5665`.