NodeMCU includes [mbedTLS library](https://tls.mbed.org/). With default config it supports **TLS** 1.0 / 1.1 / 1.2 and most common cipher suites, including DH/ECDH key exchange methods.
NodeMCU includes [mbedTLS library](https://tls.mbed.org/). With default config it supports **TLS** 1.0 / 1.1 / 1.2 and most common cipher suites, including DH/ECDH key exchange methods.
Full list of features you may get on [mbedTLS page](https://tls.mbed.org/core-features).
Full list of features you may get on [mbedTLS page](https://tls.mbed.org/core-features).
This controls certificate verification when SSL is in use.