Port 22
Protocol 2

PermitRootLogin no
AllowUsers git

PasswordAuthentication no
PermitEmptyPasswords no
PubkeyAuthentication yes

HostKey /etc/ssh/keys/ssh_host_rsa_key
HostKey /etc/ssh/keys/ssh_host_dsa_key
HostKey /etc/ssh/keys/ssh_host_ecdsa_key
HostKey /etc/ssh/keys/ssh_host_ed25519_key

X11Forwarding no
PrintMotd no

ClientAliveInterval 300
ClientAliveCountMax 2
KexAlgorithms curve25519-sha256@libssh.org,diffie-hellman-group16-sha512,diffie-hellman-group14-sha256,diffie-hellman-group18-sha512
MACs umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com
HostKeyAlgorithms ssh-rsa,rsa-sha2-256,rsa-sha2-512