$ ssh -T -v git@github.com OpenSSH_8.0p1, OpenSSL 1.1.1c 28 May 2019 debug1: Reading configuration data /c/Users/Alder/.ssh/config debug1: Reading configuration data /etc/ssh/ssh_config debug1: Connecting to github.com [52.74.223.119] port 22. debug1: Connection established. debug1: identity file /c/Users/Alder/.ssh/id_rsa type 0 debug1: identity file /c/Users/Alder/.ssh/id_rsa-cert type -1 debug1: identity file /c/Users/Alder/.ssh/id_dsa type -1 debug1: identity file /c/Users/Alder/.ssh/id_dsa-cert type -1 debug1: identity file /c/Users/Alder/.ssh/id_ecdsa type -1 debug1: identity file /c/Users/Alder/.ssh/id_ecdsa-cert type -1 debug1: identity file /c/Users/Alder/.ssh/id_ed25519 type -1 debug1: identity file /c/Users/Alder/.ssh/id_ed25519-cert type -1 debug1: identity file /c/Users/Alder/.ssh/id_xmss type -1 debug1: identity file /c/Users/Alder/.ssh/id_xmss-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_8.0 debug1: Remote protocol version 2.0, remote software version babeld-d45c1532 debug1: no match: babeld-d45c1532 debug1: Authenticating to github.com:22 as 'git' debug1: SSH2_MSG_KEXINIT sent Connection reset by 52.74.223.119 port 22