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SSL_get_version(3)                  OpenSSL                 SSL_get_version(3)

NAME
       SSL_get_version - get the protocol version of a connection.

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).

SEE ALSO
       ssl(3)

1.0.2h                            2016-05-03                SSL_get_version(3)