本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# AWSSystemsManagerJustInTimeAccessTokenPolicy
<a name="AWSSystemsManagerJustInTimeAccessTokenPolicy"></a>

**描述**：受管政策 AWSSystemsManagerJustInTimeAccessTokenPolicy 可讓 Systems Manager 產生用於just-in-time節點存取的存取權杖。

`AWSSystemsManagerJustInTimeAccessTokenPolicy` 是 [AWS 受管政策](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_managed-vs-inline.html#aws-managed-policies)。

## 使用此政策
<a name="AWSSystemsManagerJustInTimeAccessTokenPolicy-how-to-use"></a>

您可以將 `AWSSystemsManagerJustInTimeAccessTokenPolicy` 連接至使用者、群組與角色。

## 政策詳細資訊
<a name="AWSSystemsManagerJustInTimeAccessTokenPolicy-details"></a>
+ **類型**： AWS 受管政策 
+ **建立時間**：2025 年 4 月 17 日，UTC 21：07 
+ **編輯時間：**2026 年 2 月 12 日 18：02 UTC
+ **ARN**: `arn:aws:iam::aws:policy/AWSSystemsManagerJustInTimeAccessTokenPolicy`

## 政策版本
<a name="AWSSystemsManagerJustInTimeAccessTokenPolicy-version"></a>

**政策版本：** v6 （預設）

政策的預設版本是定義政策許可的版本。當具有 政策的使用者或角色提出存取 AWS 資源的請求時， 會 AWS 檢查政策的預設版本，以決定是否允許請求。

## JSON 政策文件
<a name="AWSSystemsManagerJustInTimeAccessTokenPolicy-json"></a>

```
{
  "Version" : "2012-10-17",
  "Statement" : [
    {
      "Sid" : "SsmStartSession",
      "Effect" : "Allow",
      "Action" : [
        "ssm:StartSession"
      ],
      "Resource" : [
        "arn:aws:ec2:*:*:instance/*",
        "arn:aws:ssm:*:*:managed-instance/*",
        "arn:aws:ssm:*:*:document/SSM-SessionManagerRunShell"
      ]
    },
    {
      "Sid" : "TerminateAndResumeSessionAndOpenDataChannel",
      "Effect" : "Allow",
      "Action" : [
        "ssm:TerminateSession",
        "ssm:ResumeSession",
        "ssmmessages:OpenDataChannel"
      ],
      "Resource" : "arn:aws:ssm:*:*:session/*"
    },
    {
      "Sid" : "GuiConnect",
      "Effect" : "Allow",
      "Action" : [
        "ssm-guiconnect:CancelConnection",
        "ssm-guiconnect:GetConnection",
        "ssm-guiconnect:StartConnection"
      ],
      "Resource" : "*"
    },
    {
      "Sid" : "SessionManagerKmsPermission",
      "Effect" : "Allow",
      "Action" : [
        "kms:GenerateDataKey"
      ],
      "Resource" : "arn:aws:kms:*:*:key/*",
      "Condition" : {
        "StringEquals" : {
          "aws:ResourceTag/SystemsManagerJustInTimeNodeAccessManaged" : "true"
        }
      }
    },
    {
      "Sid" : "RdpKmsPermission",
      "Effect" : "Allow",
      "Action" : [
        "kms:CreateGrant"
      ],
      "Resource" : "arn:aws:kms:*:*:key/*",
      "Condition" : {
        "StringEquals" : {
          "aws:ResourceTag/SystemsManagerJustInTimeNodeAccessManaged" : "true"
        },
        "StringLike" : {
          "kms:ViaService" : "ssm-guiconnect.*.amazonaws.com"
        },
        "Bool" : {
          "aws:ViaAWSService" : "true"
        }
      }
    },
    {
      "Sid" : "RdpStartSession",
      "Effect" : "Allow",
      "Action" : [
        "ssm:StartSession"
      ],
      "Resource" : [
        "arn:aws:ec2:*:*:instance/*",
        "arn:aws:ssm:*:*:managed-instance/*",
        "arn:aws:ssm:*:*:document/AWS-StartPortForwardingSession"
      ],
      "Condition" : {
        "StringEquals" : {
          "aws:CalledViaFirst" : "ssm-guiconnect.amazonaws.com"
        }
      }
    },
    {
      "Sid" : "SsmRdpSsoSetup",
      "Effect" : "Allow",
      "Action" : [
        "sso:ListDirectoryAssociations*",
        "identitystore:DescribeUser",
        "ssm:GetCommandInvocation"
      ],
      "Resource" : "*",
      "Condition" : {
        "StringEquals" : {
          "aws:CalledViaFirst" : "ssm-guiconnect.amazonaws.com"
        }
      }
    },
    {
      "Sid" : "SsmRdpSsoSetupSendCommand",
      "Effect" : "Allow",
      "Action" : [
        "ssm:SendCommand"
      ],
      "Resource" : [
        "arn:aws:ec2:*:*:instance/*",
        "arn:aws:ssm:*:*:managed-instance/*",
        "arn:aws:ssm:*:*:document/AWSSSO-CreateSSOUser"
      ],
      "Condition" : {
        "StringEquals" : {
          "aws:CalledViaFirst" : "ssm-guiconnect.amazonaws.com"
        }
      }
    }
  ]
}
```

## 進一步了解
<a name="AWSSystemsManagerJustInTimeAccessTokenPolicy-learn-more"></a>
+ [在 IAM Identity Center 中使用 AWS 受管政策建立許可集](https://docs.aws.amazon.com/singlesignon/latest/userguide/howtocreatepermissionset.html) 
+ [新增和移除 IAM 身分許可](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_manage-attach-detach.html) 
+ [了解 IAM 政策的版本控制](https://docs.aws.amazon.com//IAM/latest/UserGuide/access_policies_managed-versioning.html)
+ [開始使用 AWS 受管政策，並邁向最低權限許可](https://docs.aws.amazon.com//IAM/latest/UserGuide/best-practices.html#bp-use-aws-defined-policies)