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This documentation is for version v1.1.0 of nng, but the latest released version is v1.3.2. see the documentation for v1.3.2 for the most up-to-date information.


#include <nng/nng.h>
#include <nng/supplemental/tls/tls.h>

int nng_tls_config_server_name(nng_tls_config *cfg, const char *name);


The nng_tls_config_server_name() function configures the remote server name to be used by a client when connection to a server. The supplied name is used when comparing the identity in the server’s certificate. Furthermore, when Server Name Indication (SNI) is used, the name may be sent to the server as a hint to tell it which of several possible certificates should be used.

This function is only useful in configuring client behavior.


This function returns 0 on success, and non-zero otherwise.



Insufficient memory is available.


The configuration cfg is already in use, and cannot be modified.

NNG Reference Manual vv1.1.0 © 2019 Staysail Systems, Inc, © 2018 Capitar IT Group BV
This document is supplied under the MIT License.
nanomsg™ and nng™ are trademarks of Garrett D'Amore.