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

**描述**：提供对 S AWS ystems Manager 管理或使用的 AWS 资源的即时访问框架。

`AWSSystemsManagerJustInTimeAccessServicePolicy` 是一项 [AWS 托管式策略](https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_managed-vs-inline.html#aws-managed-policies)。

## 使用此策略
<a name="AWSSystemsManagerJustInTimeAccessServicePolicy-how-to-use"></a>

此附加到服务相关角色的策略允许服务代表您执行操作。您无法将此策略附加到您的用户、组或角色。

## 策略详细信息
<a name="AWSSystemsManagerJustInTimeAccessServicePolicy-details"></a>
+ **类型**：服务相关角色策略 
+ **创建时间**：2025 年 4 月 21 日 20:07 UTC 
+ **编辑时间：世界标准时间** 2026 年 2 月 12 日 18:01
+ **ARN**: `arn:aws:iam::aws:policy/aws-service-role/AWSSystemsManagerJustInTimeAccessServicePolicy`

## 策略版本
<a name="AWSSystemsManagerJustInTimeAccessServicePolicy-version"></a>

**策略版本：**v9（默认）

此策略的默认版本是定义策略权限的版本。当使用该策略的用户或角色请求访问 AWS 资源时， AWS 会检查策略的默认版本以确定是否允许该请求。

## JSON 策略文档
<a name="AWSSystemsManagerJustInTimeAccessServicePolicy-json"></a>

```
{
  "Version" : "2012-10-17",
  "Statement" : [
    {
      "Sid" : "AllowOpsItemReplication",
      "Effect" : "Allow",
      "Action" : [
        "ssm:CreateOpsItem"
      ],
      "Resource" : [
        "arn:aws:ssm:*:*:opsitem/*"
      ],
      "Condition" : {
        "StringEquals" : {
          "aws:ResourceAccount" : "${aws:PrincipalAccount}",
          "aws:RequestTag/SystemsManagerJustInTimeNodeAccessManaged" : "Replica"
        },
        "ForAllValues:StringEquals" : {
          "aws:TagKeys" : [
            "SystemsManagerJustInTimeNodeAccessManaged"
          ]
        }
      }
    },
    {
      "Sid" : "AllowOpsItemReplicationTagging",
      "Effect" : "Allow",
      "Action" : [
        "ssm:AddTagsToResource"
      ],
      "Resource" : [
        "arn:aws:ssm:*:*:opsitem/*"
      ],
      "Condition" : {
        "StringEquals" : {
          "aws:RequestTag/SystemsManagerJustInTimeNodeAccessManaged" : "Replica"
        },
        "ForAllValues:StringEquals" : {
          "aws:TagKeys" : [
            "SystemsManagerJustInTimeNodeAccessManaged"
          ]
        }
      }
    },
    {
      "Sid" : "AllowAutomationExecutionTagging",
      "Effect" : "Allow",
      "Action" : [
        "ssm:AddTagsToResource"
      ],
      "Resource" : [
        "arn:aws:ssm:*:*:automation-execution/*"
      ],
      "Condition" : {
        "StringEquals" : {
          "aws:RequestTag/SystemsManagerJustInTimeNodeAccessManaged" : "true"
        },
        "ForAllValues:StringEquals" : {
          "aws:TagKeys" : [
            "SystemsManagerJustInTimeNodeAccessManaged"
          ]
        }
      }
    },
    {
      "Sid" : "AllowOpsItemManagement",
      "Effect" : "Allow",
      "Action" : [
        "ssm:GetOpsItem",
        "ssm:UpdateOpsItem"
      ],
      "Resource" : [
        "arn:aws:ssm:*:*:opsitem/*"
      ],
      "Condition" : {
        "StringEquals" : {
          "aws:ResourceAccount" : "${aws:PrincipalAccount}"
        }
      }
    },
    {
      "Sid" : "AllowRetrieveDocument",
      "Effect" : "Allow",
      "Action" : [
        "ssm:GetDocument",
        "ssm:DescribeDocument"
      ],
      "Resource" : [
        "arn:aws:ssm:*:*:document/*"
      ],
      "Condition" : {
        "StringEquals" : {
          "ssm:DocumentType" : [
            "ManualApprovalPolicy",
            "AutoApprovalPolicy"
          ]
        }
      }
    },
    {
      "Sid" : "AllowDescriptions",
      "Effect" : "Allow",
      "Action" : [
        "ssm:DescribeOpsItems",
        "ssm:DescribeSessions",
        "ssm:ListDocuments"
      ],
      "Resource" : [
        "*"
      ]
    },
    {
      "Sid" : "AllowListTagsForManagedInstances",
      "Effect" : "Allow",
      "Action" : [
        "ssm:ListTagsForResource"
      ],
      "Resource" : [
        "arn:aws:ssm:*:*:managed-instance/*"
      ]
    },
    {
      "Sid" : "AllowListSSMGUIConnections",
      "Effect" : "Allow",
      "Action" : [
        "ssm-guiconnect:ListConnections"
      ],
      "Resource" : [
        "*"
      ]
    },
    {
      "Sid" : "AllowIdentityStoreActions",
      "Effect" : "Allow",
      "Action" : [
        "identitystore:ListGroupMembershipsForMember",
        "identitystore:DescribeUser",
        "identitystore:GetGroupId",
        "identitystore:GetUserId"
      ],
      "Resource" : [
        "*"
      ]
    },
    {
      "Sid" : "AllowSSODirectoryActions",
      "Effect" : "Allow",
      "Action" : [
        "sso-directory:DescribeUsers",
        "sso-directory:IsMemberInGroup"
      ],
      "Resource" : [
        "*"
      ]
    },
    {
      "Sid" : "AllowSSOInstanceActions",
      "Effect" : "Allow",
      "Action" : [
        "sso:ListInstances",
        "sso:DescribeRegisteredRegions",
        "sso:ListDirectoryAssociations"
      ],
      "Resource" : [
        "*"
      ]
    },
    {
      "Sid" : "AllowDescribingEC2Tags",
      "Effect" : "Allow",
      "Action" : [
        "ec2:DescribeTags"
      ],
      "Resource" : [
        "*"
      ]
    },
    {
      "Sid" : "AllowPublishingCloudWatchMetrics",
      "Effect" : "Allow",
      "Action" : [
        "cloudwatch:PutMetricData"
      ],
      "Resource" : [
        "*"
      ],
      "Condition" : {
        "StringEquals" : {
          "cloudwatch:namespace" : "AWS/SSM/JustInTimeAccess"
        }
      }
    },
    {
      "Sid" : "AllowKmsAccessViaIdentityCenter",
      "Effect" : "Allow",
      "Action" : [
        "kms:Decrypt"
      ],
      "Resource" : "*",
      "Condition" : {
        "ArnLike" : {
          "kms:EncryptionContext:aws:sso:instance-arn" : "arn:*:sso:::instance/*"
        },
        "StringLike" : {
          "kms:ViaService" : "sso.*.amazonaws.com"
        }
      }
    },
    {
      "Sid" : "AllowKmsAccessViaIdentityStore",
      "Effect" : "Allow",
      "Action" : [
        "kms:Decrypt"
      ],
      "Resource" : "*",
      "Condition" : {
        "ArnLike" : {
          "kms:EncryptionContext:aws:identitystore:identitystore-arn" : "arn:*:identitystore::*:identitystore/*"
        },
        "StringLike" : {
          "kms:ViaService" : "identitystore.*.amazonaws.com"
        }
      }
    }
  ]
}
```

## 了解更多信息
<a name="AWSSystemsManagerJustInTimeAccessServicePolicy-learn-more"></a>
+ [了解 IAM policy 版本控制](https://docs.aws.amazon.com//IAM/latest/UserGuide/access_policies_managed-versioning.html)
+ [开始使用 AWS 托管策略，转向最低权限权限](https://docs.aws.amazon.com//IAM/latest/UserGuide/best-practices.html#bp-use-aws-defined-policies)