Configuration - CoAP Binding Settings

The CSE supports CoAP communication via the CoAP binding. The CoAP binding is disabled by default and must be enabled in the configuration file under [coap].enable .

General Settings

Section: [coap]

These are the general CoAP client settings.

Setting	Description	Default
enable	Enable the CoAP binding.	False
port	Set the listening port for the CoAP server.	5683
listenIF	Interface to listen to. Use 0.0.0.0 for "all" interfaces.	0.0.0.0
timeout	Timeout when sending CoAP requests and waiting for responses.	10.0 seconds
clientConnectionCacheSize	The maximum number of client connections that can be cached. When the limit is reached, the oldest connection is closed and removed from the cache. A value of 0 means no caching.	100
address	Own address. Should be a local/public reachable address.	coap://${basic.config:cseHost}:${port}

Security

Section: [coap.security]

These are the security settings for the CoAP binding.

Setting	Description	Default
useTLS	Enable TLS for CoAP communications.	False
dtlsVersion	TLS version to be used in connections. Allowed versions: TLS1.1, TLS1.2, auto . Use auto to allow client-server certificate version negotiation.	auto
verifyCertificate	Verify certificates in requests. Set to False when using self-signed certificates.	False
caCertificateFile	Path and filename of the certificate file.	empty string
caPrivateKeyFile	Path and filename of the private key file.	empty string