ssh_config

# https://github.com/drduh/config/blob/master/ssh_config
# https://linux.die.net/man/5/ssh_config
#Host router
#  IdentityFile ~/.ssh/router
#  HostName 192.168.1.1
#  Port 2222
#  User sysadm
#  ControlMaster auto
#  ControlPath ~/.ssh/master-%r@%h:%p
#  ControlPersist 300
Host gitlab.com
  User git
  ControlMaster no
  IdentitiesOnly yes
  IdentityFile ~/.ssh/gitlab
Host github.com
  User git
  ControlMaster no
  IdentitiesOnly yes
  IdentityFile ~/.ssh/github
  MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,umac-128@openssh.com
Host *
  #ControlMaster auto
  #ControlPath ~/.ssh/master-%r@%h:%p
  #ControlPersist 300
  #AddKeysToAgent yes
  AddressFamily inet
  HashKnownHosts yes
  VisualHostKey yes
  PasswordAuthentication no
  ChallengeResponseAuthentication no
  StrictHostKeyChecking ask
  VerifyHostKeyDNS yes
  ForwardAgent no
  ForwardX11 no
  ForwardX11Trusted no
  ServerAliveInterval 300
  ServerAliveCountMax 2
  Ciphers aes256-gcm@openssh.com
  MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com
  KexAlgorithms curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256
  HostKeyAlgorithms rsa-sha2-512,rsa-sha2-256,ssh-ed25519