ssmmessages:OpenDataChannel
Literal appearances in AWS managed IAM policies. Statements that use wildcards (for example s3:*) are not counted here. This is not an IAM authorization simulation.
Policies (any)
21
Allow (Action)
21
Deny (Action)
0
NotAction
0
Index generated 4/7/2026, 3:29:24 AM. 559 policies include at least one wildcard action string (any service).
Action reference
SAR-style (unofficial)Service: Amazon Message Gateway Service
Access level
WriteDescription
Grants permission to open a websocket connection for a registered data channel stream from an instance to Systems Manager service
Allow (Action)
- AWSCloud9Administrator
- AWSCloud9EnvironmentMember
- AWSCloud9SSMInstanceProfile
- AWSCloud9User
- AWSCodeBuildAdminAccess
- AWSCodeBuildDeveloperAccess
- AWSEC2SqlHaInstancePolicy
- AWSRefactoringToolkitFullAccess
- AWSRefactoringToolkitSidecarPolicy
- AWSSystemsManagerJustInTimeAccessTokenPolicy
- AmazonEC2RoleforSSM
- AmazonECSServiceRolePolicy
- AmazonEKSConnectorServiceRolePolicy
- AmazonEKSLocalOutpostClusterPolicy
- AmazonEKSLocalOutpostServiceRolePolicy
- AmazonElasticFileSystemsUtils
- AmazonSSMAutomationRole
- AmazonSSMFullAccess
- AmazonSSMManagedEC2InstanceDefaultPolicy
- AmazonSSMManagedInstanceCore
- AmazonSageMakerClusterInstanceRolePolicy
Deny (Action)
NotAction
Thanks to Ian McKay for iam-dataset (MIT), structured data derived from the AWS Service Authorization Reference. Not maintained by AWS and not guaranteed current. IAMTrail's managed policy archive is separate.
Definitions bundle generated 4/7/2026, 3:29:24 AM