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@mailtotakaf

EC2のWin2025へRDP接続

Last updated at Posted at 2025-03-06

SSM経由で直接RDPポートを開かず接続する。

AWSTemplateFormatVersion: "2010-09-09"
Description: "Deploy Windows Server 2025 on EC2 with AWS Systems Manager (SSM) for remote access"

Resources:
  # IAM Role for SSM
  SSMRole:
    Type: AWS::IAM::Role
    Properties:
      RoleName: !Sub "SSMRole-${AWS::StackName}"
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Effect: Allow
            Principal:
              Service:
                - ec2.amazonaws.com
            Action:
              - sts:AssumeRole
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/AmazonSSMManagedInstanceCore

  # Instance Profile for SSM
  InstanceProfile:
    Type: AWS::IAM::InstanceProfile
    Properties:
      Path: "/"
      Roles:
        - !Ref SSMRole

  # キーペアの作成
  KeyPair:
    Type: AWS::EC2::KeyPair
    Properties:
      KeyName: !Sub "${AWS::StackName}-key"

  # セキュリティグループ (完全クローズ: SSH, RDP 不要)
  EC2SecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: "No inbound access, managed by SSM"
      VpcId: !Ref VPC

  # Windows Server 2025 の EC2 インスタンス
  WindowsInstance:
    Type: AWS::EC2::Instance
    Properties:
      InstanceType: t3.large
      IamInstanceProfile: !Ref InstanceProfile
      KeyName: !Ref KeyPair # キーペアを追加
      ImageId: !Sub "{{resolve:ssm:/aws/service/ami-windows-latest/Windows_Server-2025-Japanese-Full-Base:1}}"
      NetworkInterfaces:
        - AssociatePublicIpAddress: true
          DeviceIndex: 0
          SubnetId: !Ref PublicSubnet
          GroupSet:
            - !Ref EC2SecurityGroup
      BlockDeviceMappings:
        - DeviceName: "/dev/sda1" # ルートボリューム
          Ebs:
            VolumeType: gp3
            VolumeSize: 128
            Iops: 3000
            DeleteOnTermination: true
      Tags:
        - Key: Name
          Value: "Windows2025-Instance"

  VPC:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: "10.0.0.0/16"
      EnableDnsSupport: true
      EnableDnsHostnames: true
      Tags:
        - Key: Name
          Value: "Windows2025-VPC"

  PublicSubnet:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      CidrBlock: "10.0.1.0/24"
      MapPublicIpOnLaunch: true
      AvailabilityZone: "us-west-2a"
      Tags:
        - Key: Name
          Value: "PublicSubnet"

  InternetGateway:
    Type: AWS::EC2::InternetGateway
    Properties:
      Tags:
        - Key: Name
          Value: "Windows2025-IGW"

  # IGW を VPC にアタッチする
  InternetGatewayAttachment:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      VpcId: !Ref VPC
      InternetGatewayId: !Ref InternetGateway

  # ルートテーブル
  RouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: "PublicRouteTable"

  # ルート (IGW のアタッチ後に正しく関連付け)
  Route:
    Type: AWS::EC2::Route
    DependsOn: InternetGatewayAttachment # 依存関係を追加
    Properties:
      RouteTableId: !Ref RouteTable
      DestinationCidrBlock: "0.0.0.0/0"
      GatewayId: !Ref InternetGateway

  # サブネットにルートテーブルを関連付け
  RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      SubnetId: !Ref PublicSubnet
      RouteTableId: !Ref RouteTable

Outputs:
  InstanceID:
    Description: "EC2 instance ID for Session Manager"
    Value: !Ref WindowsInstance

  KeyPairName:
    Description: "The name of the created Key Pair"
    Value: !Ref KeyPair

接続方法

  • Fleet Managerで接続する場合（に必要なキーペア）
aws ec2 describe-key-pairs --filters Name=key-name,Values=win2025-key --query KeyPairs[*].KeyPairId --output text

aws ssm get-parameter --name /ec2/keypair/出力されたキー名 --with-decryption --query Parameter.Value --output text > Windows2025-Key.pem
  • SSM 経由でポートフォワード
aws ssm start-session --target <EC2_INSTANCE_ID> --document-name AWS-StartPortForwardingSession --parameters "portNumber=3389,localPortNumber=13389"

RDP クライアントで localhost:13389 に接続する。

EC2 の管理者 (Administrator) パスワードの取得方法

Windows Server の EC2 インスタンスでは、デフォルトの Administrator のパスワードは EC2 のキーペアを使って復号 する必要があります。

  • AWS マネジメントコンソールで取得する場合
    AWS マネジメントコンソールにログイン
    EC2 インスタンスのページを開く
    対象の Windows Server 2025 インスタンスを選択
    「アクション」 → 「Windows パスワードの取得」
    作成したキーペア (Windows2025-Key-xxxx.pem) をアップロード
    パスワードが表示される

  • AWS CLI で取得する場合
aws ec2 get-password-data --instance-id <インスタンスID> --priv-launch-key Windows2025-Key.pem

NoSSM

AWSTemplateFormatVersion: "2010-09-09"
Description: "Deploy Windows Server 2025 on EC2 with RDP access (no SSM)"

Resources:
  # ----------------------------------------------------
  # VPCおよびインターネットアクセス関連リソース
  # ----------------------------------------------------
  VPC:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: "10.0.0.0/16"
      EnableDnsSupport: true
      EnableDnsHostnames: true
      Tags:
        - Key: Name
          Value: "Windows2025-VPC"

  PublicSubnet:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      CidrBlock: "10.0.1.0/24"
      MapPublicIpOnLaunch: true
      AvailabilityZone: "us-west-2a"
      Tags:
        - Key: Name
          Value: "PublicSubnet"

  InternetGateway:
    Type: AWS::EC2::InternetGateway
    Properties:
      Tags:
        - Key: Name
          Value: "Windows2025-IGW"

  InternetGatewayAttachment:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      VpcId: !Ref VPC
      InternetGatewayId: !Ref InternetGateway

  RouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: "PublicRouteTable"

  Route:
    Type: AWS::EC2::Route
    DependsOn: InternetGatewayAttachment
    Properties:
      RouteTableId: !Ref RouteTable
      DestinationCidrBlock: "0.0.0.0/0"
      GatewayId: !Ref InternetGateway

  RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      SubnetId: !Ref PublicSubnet
      RouteTableId: !Ref RouteTable

  # ----------------------------------------------------
  # キーペア
  # ----------------------------------------------------
  KeyPair:
    Type: AWS::EC2::KeyPair
    Properties:
      KeyName: !Sub "${AWS::StackName}-key"

  # ----------------------------------------------------
  # セキュリティグループ (RDP 接続を許可)
  # ----------------------------------------------------
  EC2SecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: "Allow RDP from anywhere"
      VpcId: !Ref VPC
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: 3389
          ToPort: 3389
          CidrIp: 0.0.0.0/0
      SecurityGroupEgress:
        - IpProtocol: -1
          CidrIp: 0.0.0.0/0

  # ----------------------------------------------------
  # Windows Server 2025 の EC2 インスタンス (RDP 接続)
  # ----------------------------------------------------
  WindowsInstance:
    Type: AWS::EC2::Instance
    Properties:
      InstanceType: t3.large
      # IAMインスタンスプロファイルを削除 (SSM を使わないため)
      KeyName: !Ref KeyPair
      ImageId: !Sub "{{resolve:ssm:/aws/service/ami-windows-latest/Windows_Server-2025-Japanese-Full-Base:1}}"
      NetworkInterfaces:
        - AssociatePublicIpAddress: true
          DeviceIndex: 0
          SubnetId: !Ref PublicSubnet
          GroupSet:
            - !Ref EC2SecurityGroup
      BlockDeviceMappings:
        - DeviceName: "/dev/sda1"
          Ebs:
            VolumeType: gp3
            VolumeSize: 128
            Iops: 3000
            DeleteOnTermination: true
      Tags:
        - Key: Name
          Value: "Windows2025-Instance-RDP"

Outputs:
  InstanceID:
    Description: "EC2 instance ID for RDP"
    Value: !Ref WindowsInstance

  KeyPairName:
    Description: "The name of the created Key Pair"
    Value: !Ref KeyPair

NoSSM&S3

AWSTemplateFormatVersion: "2010-09-09"
Description: "Deploy Windows Server 2025 on EC2 with RDP access (no SSM) + S3FullAccess"

Resources:
  # ----------------------------------------------------
  # VPCおよびインターネットアクセス関連リソース
  # ----------------------------------------------------
  VPC:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: "10.0.0.0/16"
      EnableDnsSupport: true
      EnableDnsHostnames: true
      Tags:
        - Key: Name
          Value: "Windows2025-VPC"

  PublicSubnet:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      CidrBlock: "10.0.1.0/24"
      MapPublicIpOnLaunch: true
      AvailabilityZone: "us-west-2a"
      Tags:
        - Key: Name
          Value: "PublicSubnet"

  InternetGateway:
    Type: AWS::EC2::InternetGateway
    Properties:
      Tags:
        - Key: Name
          Value: "Windows2025-IGW"

  InternetGatewayAttachment:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      VpcId: !Ref VPC
      InternetGatewayId: !Ref InternetGateway

  RouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: "PublicRouteTable"

  Route:
    Type: AWS::EC2::Route
    DependsOn: InternetGatewayAttachment
    Properties:
      RouteTableId: !Ref RouteTable
      DestinationCidrBlock: "0.0.0.0/0"
      GatewayId: !Ref InternetGateway

  RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      SubnetId: !Ref PublicSubnet
      RouteTableId: !Ref RouteTable

  # ----------------------------------------------------
  # キーペア
  # ----------------------------------------------------
  KeyPair:
    Type: AWS::EC2::KeyPair
    Properties:
      KeyName: !Sub "${AWS::StackName}-key"

  # ----------------------------------------------------
  # セキュリティグループ (RDP 接続許可)
  # ----------------------------------------------------
  EC2SecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: "Allow RDP from my IP"
      VpcId: !Ref VPC
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: 3389
          ToPort: 3389
          # 必要に応じて自分のグローバルIPに置き換えてください (例: 203.0.113.25/32)
          CidrIp: "0.0.0.0/0"
      SecurityGroupEgress:
        - IpProtocol: -1
          CidrIp: "0.0.0.0/0"

  # ----------------------------------------------------
  # IAM Role (EC2用) + S3FullAccess
  # ----------------------------------------------------
  EC2Role:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Effect: Allow
            Principal:
              Service:
                - ec2.amazonaws.com
            Action:
              - sts:AssumeRole
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/AmazonS3FullAccess

  EC2InstanceProfile:
    Type: AWS::IAM::InstanceProfile
    Properties:
      Path: "/"
      Roles:
        - !Ref EC2Role

  # ----------------------------------------------------
  # Windows Server 2025 の EC2 インスタンス (RDP 接続)
  # ----------------------------------------------------
  WindowsInstance:
    Type: AWS::EC2::Instance
    Properties:
      InstanceType: t3.large
      KeyName: !Ref KeyPair
      ImageId: !Sub "{{resolve:ssm:/aws/service/ami-windows-latest/Windows_Server-2025-Japanese-Full-Base:1}}"
      IamInstanceProfile: !Ref EC2InstanceProfile
      NetworkInterfaces:
        - AssociatePublicIpAddress: true
          DeviceIndex: 0
          SubnetId: !Ref PublicSubnet
          GroupSet:
            - !Ref EC2SecurityGroup
      BlockDeviceMappings:
        - DeviceName: "/dev/sda1"
          Ebs:
            VolumeType: gp3
            VolumeSize: 128
            Iops: 3000
            DeleteOnTermination: true
      Tags:
        - Key: Name
          Value: "Windows2025-Instance-RDP"

Outputs:
  InstanceID:
    Description: "EC2 instance ID for RDP"
    Value: !Ref WindowsInstance

  KeyPairName:
    Description: "The name of the created Key Pair"
    Value: !Ref KeyPair
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