SSL_get_version(3) OpenSSL SSL_get_version(3)NAMESSL_get_version - get the protocol version of a connection.LIBRARYlibcrypto, -lcryptoSYNOPSIS#include <openssl/ssl.h> const char *SSL_get_version(const SSL *ssl);DESCRIPTIONSSL_get_version() returns the name of the protocol used for the connection ssl.RETURN VALUESThe following strings can be returned: SSLv2 The connection uses the SSLv2 protocol. SSLv3 The connection uses the SSLv3 protocol. TLSv1 The connection uses the TLSv1.0 protocol. TLSv1.1 The connection uses the TLSv1.1 protocol. TLSv1.2 The connection uses the TLSv1.2 protocol. unknown This indicates that no version has been set (no connection established).SEE ALSOssl(3) 1.0.1i 2014-08-10 SSL_get_version(3)