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@sot528(Sota Ishii)in

.ssh/configの設定でエラー: ssh_exchange_identification: Connection closed by remote host

Posted at 2018-08-28

.ssh/config の設定次第で表題のエラーが出ることがある。

エラー

ssh_exchange_identification: Connection closed by remote host

問題のある設定

Host 4t_Bastion
  HostName xx.xx.xx.xxx
  User ubuntu
  IdentityFile ~/.ssh/secret_key

対策

頭が数字から始まるHost名を指定していると同エラーが発生する。なのでHost名を 4t_Bastion => test_Bastion に変更。

Host test_Bastion
  HostName xx.xx.xx.xxx
  User ubuntu
  IdentityFile ~/.ssh/secret_key

環境

macOS High Sierra
ubuntu: 16.4 LTS

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