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RHEL 9 で 'diffie-hellman-group1-sha1' を有効にする方法

Solution In Progress - Updated -

Issue

  • RHEL8 以前の ssh クライアントが 'diffie-hellman-group1-sha1' キーエクスチェンジアルゴリズムを使用して接続できるように、'diffie-hellman-group1-sha1' のサポートを有効にする方法を教えてください。

  • RHEL9 で一致するキーエクスチェンジ方法が見つからないという問題が報告されましたが、この問題の修正方法は?

    Oct  7 20:05:01 node1.example.com sshd[157274]: Unable to negotiate with client-ip [x.x.x.x] port 33580: no matching key exchange method found.    Their offer: diffie-hellman-group1-sha1 [preauth]

Oct  7 20:05:01 node1.example.com sshd[157278]: Unable to negotiate with client-ip [x.x.x.x] port 51923: no matching key exchange method found.    Their offer: diffie-hellman-group1-sha1 [preauth]

Environment

  • Red Hat Enterprise Linux 9.0
  • diffie-hellman-group1-sha1

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