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ONTAP の更新前チェック: OpenSSH 7.2 アップグレード警告:「 HMAC-ripemd160 」および「 HMAC-ripemd160-ETM 」の事前確認は脆弱であるとみなされる

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環境

  • ONTAP 9.1 以降
  • 9.1 から 9.2 以降へのアップグレード

問題

ONTAP アップグレード前チェックコマンドの実行中 cluster image validate -version  に、次の警告が表示されることがあります。
 
 Pre-update Check Status Error-Action --------------------- ---------- -------------------------------------------- Openssh 7.2 upgrade Warning Warning: "hmac-ripemd160" and precheck "hmac-ripemd160-etm" are considered weak keyed-hash message authentication code (HMAC) algorithms and support for the same will be removed after upgrading to Data ONTAP 9.3. Action: Before retrying the upgrade, remove the above weak algorithms using "security ssh remove" command. To list all Vservers configured with one or both the above HMAC algorithms, run "security ssh show -mac-algorithms hmac-ripemd160* -vserver * -fields vserver" 
 

 

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