SYNOPSIS

#include <openssl/ssl.h>
const char *SSL_get_version(const SSL *ssl);

DESCRIPTION

SSL_get_version() returns the name of the protocol used for the connection ssl.

RETURN VALUES

The 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).