Host * !github.com
  Port 516
  IdentityFile file1
  IdentityFile file2
Host abc
  ProxyJump jump-host
Host xyz
  SetEnv BAR="_bar_ 42" FOO="foo12"
  ServerAliveInterval 60
  ServerAliveCountMax 10
  IdentityFile file
  LocalForward [localhost]:8080 [10.0.0.1]:80
  RemoteForward [localhost]:8081 [10.0.0.2]:80
  RemoteForward /run/user/1000/gnupg/S.gpg-agent.extra /run/user/1000/gnupg/S.gpg-agent
  DynamicForward [localhost]:2839
Host ordered
  Port 1

Host *
  ForwardAgent no
  Compression no
  ServerAliveInterval 0
  ServerAliveCountMax 3
  HashKnownHosts no
  UserKnownHostsFile ~/.ssh/known_hosts
  ControlMaster no
  ControlPath ~/.ssh/master-%r@%n:%p
  ControlPersist no