config

ServerAliveInterval 15
ServerAliveCountMax 10
UseKeychain yes
AddKeysToAgent yes
ControlPath ~/.ssh/control/cm-%r@%h:%p
ControlMaster auto

#Host bastion
#  Hostname ActualHostnameIfDifferentFromHostAbove
#  ForwardAgent yes
#  ControlPath ~/.ssh/cm-%r@%h:%p
#  ControlMaster auto
#  ControlPersist 10m
#  DynamicForward 9855
#  LocalForward *:9000 remotehost.com:3306
#
#Host 172.16.*
#  Hostname ActualHostnameIfDifferentFromHostAbove
#  ProxyCommand ssh user@bastion -W %h:%p
#  User myuser
#
#Host my.secure.server.com
#    User myuser
#    KexAlgorithms curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256
#    PubkeyAuthentication yes
#    HostKeyAlgorithms ssh-ed25519-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,ssh-ed25519,ssh-rsa
#    Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
#    MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-ripemd160-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,umac-128@openssh.com
#