| `-port` | Integer value that specifies the port from which the Consul-Terraform-Sync daemon serves its API.<br/>The value is prepended with `http://localhost:`, but you can specify a different scheme or address with the `-http-addr` if necessary. | Optional | `8558` |
| `-http-addr` | String value that specifies the address and port of the Consul-Terraform-Sync API. You can specify an IP or DNS address.<br/><br/> Alternatively, you can specify a value using the `CTS_HTTP_ADDR` environment variable. | Optional | `http://localhost:8558` |
| `-ssl-verify` | Boolean value that configures Consul-Terraform-Connect to enable verification for TLS/SSL connections to the API. This does not affect insecure HTTP connections.<br/><br/>Alternatively, you can specify the value using the `CTS_SSL_VERIFY` environment variable. | Optional | `true` |
| `-ssl-verify` | Boolean value that configures Consul-Terraform-Sync to enable verification for TLS/SSL connections to the API. This does not affect insecure HTTP connections.<br/><br/>Alternatively, you can specify the value using the `CTS_SSL_VERIFY` environment variable. | Optional | `true` |
| `-ca-cert` | String value that specifies the path to a PEM-encoded certificate authority file that is used to verify TLS/SSL connections. Takes precedence over `-ca-path` if both are provided.<br/><br/>Alternatively, you can specify the value using the `CTS_CACERT` environment variable. | Optional | `""` |
| `-ca-path` | String value that specifies the path to a directory containing a PEM-encoded certificate authority file that is used to verify TLS/SSL connections.<br/><br/>Alternatively, you can specify the value using the `CTS_CAPATH` environment variable. | Optional | `""` |
| `-client-cert` | String value that specifies the path to a PEM-encoded client certificate that the Consul-Terraform-Sync API requires when [`verify_incoming`](/docs/nia/configuration#verify_incoming) is set to `true` on the API.<br/><br/>Alternatively, you can specify the value using the `CTS_CLIENT_CERT` environment variable. | Optional | `""` |