nignx

TCP轉發 

stream {
    # Example configuration for TCP load balancing

    upstream stream_backend {
        zone tcp_servers 64k;
        hash $remote_addr;
        server mqtt.huikezk.com:1883 max_fails=2 fail_timeout=30s;
    }

    server {
        listen 8883 ssl;
        proxy_pass stream_backend;
        proxy_buffer_size 4k;
        ssl_handshake_timeout 15s;
        ssl_certificate    /etc/letsencrypt/live/www.huikezk.com/fullchain.pem;
        ssl_certificate_key    /etc/letsencrypt/live/www.huikezk.com/privkey.pem;
    }
}