Updated on 2025-11-14 GMT+08:00

Configuring a File System ACL

Function

This API is used to configure a file system ACL.

After an ACL is configured, the configuration takes about 30 seconds to take effect.

Authorization

Each account has all of the permissions required to call all APIs, but IAM users must have the required permissions specifically assigned. For the specific permissions required, see Permissions Policies and Supported Actions.

URI

PUT /

Table 1 Query parameter

Parameter

Mandatory

Type

Description

sfsacl

Yes

String

/

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

Date

Yes

String

The request time.

Authorization

Yes

String

The signature information.

Host

Yes

String

The host address.

Table 3 Request body parameter

Parameter

Mandatory

Type

Description

Statement

No

Array of Statement objects

Unique identification

Table 4 Statement

Parameter

Mandatory

Type

Description

Sid

No

String

The statement ID.

Action

Yes

String

The allowed statement action.

Enumerated values:

  • FullControl: read/write
  • Read: read-only

Effect

Yes

String

The effect specifying that the statement permission is Allow.

Enumerated value:

  • Allow

Condition

Yes

Condition object

The conditions for a statement to take effect.

Table 5 Condition

Parameter

Mandatory

Type

Description

SourceVpc

Yes

String

A specified VPC ID.

VpcSourceIp

No

Array of strings

A specified IP address or IP address range. This parameter is currently not supported.

Response Parameters

This response uses common headers. For details, see Table 1.

Example Request

Configuring a file system ACL (granting the read/write permissions for IP addresses 127.0.0.1/24 and 192.168.1.85/24 in VPC 241dbf6b-dc5d-41b2-9108-ca5e56b48386):

PUT /?sfsacl HTTP/1.1
Host: examplefilesystem.sfs3.example.region.com
Date: WED, 01 Jul 2015 02:32:25 GMT
Authorization: OBS H4IPJX0TQTHTHEBQQCEC:jZiAT8Vx4azWEvPRMWi0X5BpJMA=

{
	"Statement": [{
		"Sid": "Stmt1375240018061",
		"Action": "FullControl",
		"Effect": "Allow",
		"Condition": {
			"SourceVpc": "241dbf6b-dc5d-41b2-9108-ca5e56b48386",
			"VpcSourceIp": ["127.0.0.1/24", "192.168.1.85/24"]
		}
	}]
}

Example Response

HTTP/1.1 204 OK
Server: OBS
X-Obs-Request-Id: 0000018893B8073AC04721AA7EE3408B
X-Obs-Id-2: 32AAAQAAEAABSAAgAAEAABAAAQAAEAABCS5QDe0QLbFNz6FXoKuXHzD2wS0eJQaj
Date: Wed, 07 Jun 2023 02:38:11 GMT

Status Codes

Status Code

Description

204

The file system ACL is configured.