Host dev HostName 10.10.3.49 Port 22 User syigit Host beast HostName 10.10.2.21 Port 22 User yigit Host wins.ceng.metu.edu.tr Port 8083 Preferredauthentications publickey IdentityFile ~/.ssh/id_ed25519 Host xyz Port 22 HostName yigitsever.xyz User yigit Preferredauthentications publickey IdentityFile ~/.ssh/id_ed25519 ServerAliveInterval 180 Host *.labs.overthewire.org SendEnv WECHALLTOKEN SendEnv WECHALLUSER