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    File Storage NAS:ModifySmbAcl

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    File Storage NAS:ModifySmbAcl

    Last Updated:Aug 13, 2026

    Updates the SMB AD ACL feature.

    Operation description

    Before you begin: Make sure that Key Management Service (KMS) is activated in the target region. Call sequence: Activate KMS → Call EnableSmbAcl to initialize → Call ModifySmbAcl.

    Try it now

    Try this API in OpenAPI Explorer, no manual signing needed. Successful calls auto-generate SDK code matching your parameters. Download it with built-in credential security for local usage.

    Test

    RAM authorization

    The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

    • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

    • API: The API that you can call to perform the action.

    • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

    • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

      • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

      • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

    • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

    • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

    Action

    Access level

    Resource type

    Condition key

    Dependent action

    nas:ModifySmbAcl

    update

    *FileSystem

    acs:nas:{#regionId}:{#accountId}:filesystem/{#filesystemId}

    		 None None

    Request parameters

    Parameter

    Type

    Required

    Description

    Example
    FileSystemId

    string

    Yes

    The file system ID.

    1ca404****
    Keytab

    string

    No

    The Base64-encoded string of the keytab file content.

    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****
    KeytabMd5

    string

    No

    The MD5-encrypted string of the keytab file content.

    E3CCF7E2416DF04FA958AA4513EA****
    EnableAnonymousAccess

    boolean

    No

    Specifies whether to allow anonymous access.

    • true: Anonymous access is allowed.

    • false (default): Anonymous access is not allowed.

    false
    EncryptData

    boolean

    No

    Specifies whether to enable encryption in transit.

    • true: Encryption in transit is enabled.

    • false (default): Encryption in transit is not enabled.

    false
    RejectUnencryptedAccess

    boolean

    No

    Specifies whether to reject unencrypted clients.

    • true: Unencrypted clients are rejected.

    • false (default): Unencrypted clients are not rejected.

    false
    SuperAdminSid

    string

    No

    The ID of the superuser. The ID must follow these rules:

    • Must start with S, and no other letters are allowed after the initial S.

    • Must contain at least three hyphens (-) as separators.

    For example, S-1-5-22 or S-1-5-22-23.

    S-1-5-22
    HomeDirPath

    string

    No

    The home folder path for each user. The file path format is as follows:

    • Use a forward slash (/) or backslash () as the separator.

    • Each segment cannot contain <>":|?*.

    • The length of each segment ranges from 0 to 255.

    • The total length ranges from 0 to 32767.

    For example, if the user folder is /home, the file system performs automatic creation of the /home/A folder when user A performs logon. If /home/A already exists, this step is skipped.

    Note

    User A must have the permission to create folders. Otherwise, the /home/A folder cannot be created.

    /home

    Response elements

    Element

    Type

    Description

    Example

    object

    RequestId

    string

    The request ID.

    98696EF0-1607-4E9D-B01D-F20930B6****

    Examples

    Success response

    JSON format

    {
  "RequestId": "98696EF0-1607-4E9D-B01D-F20930B6****"
}

    Error codes

    HTTP status code

    Error code

    Error message

    Description
    400 GrayCondition.NotMet Your request does not meet the gray condition. Your request does not meet the grayscale criteria.
    403 Forbidden.KmsServiceNotEnabled The KMS service is not Enabled. The KMS service is not enabled.

    See Error Codes for a complete list.

    Release notes

    See Release Notes for a complete list.