4 March 2019 Github Connect by Default use port 22; // Checking $ ssh -vT [email protected] // output // debug1: Reading configuration data /etc/ssh/ssh_config // debug1: /etc/ssh/ssh_config line 48: Applying options for * // debug1: Connecting to github.com port 22. // debug1: Connection established. // use 443 / SSL $ ssh -T -p 443 [email protected] > Hi username! You've successfully authenticated, but GitHub does not > provide shell access. Set 443 for Github Connection. $ cat <<EOF >> ~/.ssh/config Host github.com Hostname ssh.github.com Port 443 EOF