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01. コース紹介の重要：演習用の AWS 設定のEC2のセキュリティグループの設定について
massuu
Posts: 1
EC2のセキュリティグループの設定で全てのプロトコルを全ての IPアドレス範囲で許可している点について質問があります。
IPアドレス範囲を自身のグローバルIPだけに制限した方がいいかと思いますが、
key pairのpemファイルはEC2の作成者しか保有していないため、pemファイルを持っていない悪意のある攻撃者からの攻撃は想定しない理解で合っていますでしょうか？
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