Host wins.ceng.metu.edu.tr
    Port 8083
    Preferredauthentications publickey
    IdentityFile ~/.ssh/id_ed25519
Host xyz
    Port 22
    HostName yigitsever.com
    User yigit
    Preferredauthentications publickey
    IdentityFile ~/.ssh/id_ed25519
    ServerAliveInterval 180
Host metu
    Port 8085
    HostName external.ceng.metu.edu.tr
    User yigit
    ServerAliveInterval 120
Host cenggitlab
    HostName gitlab.ceng.metu.edu.tr
    User yigit
    IdentityFile ~/.ssh/id_ed25519

Host *.labs.overthewire.org
  SendEnv WECHALLTOKEN
  SendEnv WECHALLUSER