我正在使用 Boost Beast 连接到 Web Socket 服务器，但我不断收到错误消息
Resolving push-private.kucoin.com:443...
Performing SSL handshake...
terminate called after throwing an instance of 'boost::wrapexcept<boost::system::system_error>'
what(): handshake: sslv3 alert handshake failure
Aborted (core dumped)
#include <iostream>
#include <boost/beast/core.hpp>
#include <boost/beast/ssl.hpp>
#include <boost/beast/websocket.hpp>
#include <boost/beast/websocket/ssl.hpp>
#include <boost/asio/connect.hpp>
#include <boost/asio/ip/tcp.hpp>
#include <boost/asio/ssl/stream.hpp>
#include <cstdlib>
#include <string>
#include "root_certificates.hpp"
using namespace std;
namespace beast = boost::beast; // from <boost/beast.hpp>
namespace http = beast::http; // from <boost/beast/http.hpp>
namespace websocket = beast::websocket; // from <boost/beast/websocket.hpp>
namespace net = boost::asio; // …