my try is here:
$ export GIT_CURL_VERBOSE=1
$ git clone https://github.com/schacon/simplegit-progit
Cloning into 'simplegit-progit'...
* Couldn't find host github.com in the .netrc file; using defaults
* Trying 18.104.22.168...
* Connected to github.com (22.214.171.124) port 443 (#0)
* Server aborted the SSL handshake
* Closing connection 0
fatal: unable to access 'https://github.com/schacon/simplegit-progit/':
Server aborted the SSL handshak
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