SSL_connect: SSL_ERROR_SYSCALL in connection to github.com:443

Question

Since a few days I got an issue with Mac OS High Sierra 10.13.3 : When I run a git clone like git clone github.com/xxx.git failed it print:

Answer 1

The problem for me seems to have been how the user has been setup on my local machine to. Using the command
git push -u origin master
was causing the error. Removing the switch -u to have
git push origin master
solved it for me. It can be scary to imagine how user setup can result in an error related to LibreSSL.