root@rtmp22:~/nginx# curl -v -k -L --output master.zip https://github.com/arut/nginx-rtmp-module/archive/master.zip
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying 162.219.51.2...
* TCP_NODELAY set
* Connected to github.com (162.219.51.2) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* Cipher selection: ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH
* successfully set certificate verify locations:
*   CAfile: /etc/ssl/certs/ca-certificates.crt
  CApath: /etc/ssl/certs
* TLSv1.2 (OUT), TLS header, Certificate Status (22):
} [5 bytes data]
* TLSv1.2 (OUT), TLS handshake, Client hello (1):
} [512 bytes data]
* TLSv1.2 (IN), TLS header, Unknown (21):
{ [5 bytes data]
* TLSv1.2 (IN), TLS alert, Server hello (2):
{ [2 bytes data]
* error:140773E8:SSL routines:SSL23_GET_SERVER_HELLO:reason(1000)
* Curl_http_done: called premature == 1
* stopped the pause stream!
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
* Closing connection 0
curl: (35) error:140773E8:SSL routines:SSL23_GET_SERVER_HELLO:reason(1000)