警报握手失败-[SSL：SSLV3_ALERT_HANDSHAKE_FAILURE] sslv3警报握手失败（_ssl.c：579）“

Question

在ssl握手期间，我收到“ [SSL：SSLV3_ALERT_HANDSHAKE_FAILURE] sslv3警报握手失败（_ssl.c：579）”。我在这里想念什么？ Python版本是：

Python 2.7.5

Python正在使用：

>>> ssl.OPENSSL_VERSION

'OpenSSL 1.0.2k-fips 2017年1月26日'

这是我的代码

sock = socket.socket()
            sock.settimeout(2)
            context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
            context.verify_mode = ssl.CERT_REQUIRED
            context.check_hostname = True
            context.load_default_certs()
            s = ssl.wrap_socket(sock,ssl_version=ssl.PROTOCOL_TLSv1_2, cert_reqs=ssl.CERT_REQUIRED, ca_certs="/etc/ssl/certs/ca-bundle.crt" )

            hostStr = ("{host}:{port}").format(host=host,port=port)
            try:
                s.connect((host, port))
                s.do_handshake()
                checks.append({"host":hostStr,"canConnect":"true","canNegotiateSSL":"true"})
            except ssl.SSLError as e:
                error = ("Connectivity passed with SSL error: {error}").format(error=e)
                if "CERTIFICATE_VERIFY_FAILED" not in error:
                    checks.append({"host":hostStr,"canConnect":"true","canNegotiateSSL":"false","message":error})
                else:
                    checks.append({"host":hostStr,"canConnect":"false","canNegotiateSSL":"false","message":error})
except Exception as e:
                error = ("Failed: {error}").format(error=e)
                checks.append({"host":hostStr,"canConnect":"false","canNegotiateSSL":"false","message":error})
                logging.debug(error)
            finally:
                s.close()