This API is used to modify a permission rule.

PUT /v1/{project_id}/sfs-turbo/shares/{share_id}/fs/perm-rules/{rule_id}

**Table 1** Path parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID
share_id	Yes	String	File system ID
rule_id	Yes	String	Permission rule ID

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Account token
Content-Type	Yes	String	MIME type

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
rw_type	No	String	Read/write permission of the object to be authorized. The value can be rw (read and write permission), ro (read only permission), or none (no access permission). The default value is rw.
user_type	No	String	File system access permission granted to the user of the object to be authorized. The value can be no_root_squash, root_squash, or all_squash. Value no_root_squash allows the root user on the client to access the file system as root. Value root_squash allows the root user on the client to access the file system as nfsnobody. Value all_squash allows any user on the client to access the file system as nfsnobody.

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
ip_cidr	String	IP address or IP address range of the authorized object
rw_type	String	Read/write permission of the authorized object. The value can be rw (read and write permission), ro (read only permission), or none (no access permission). The default value is rw.
user_type	String	File system access permission granted to the user of the authorized object. The value can be no_root_squash, root_squash, or all_squash. Value no_root_squash allows the root user on the client to access the file system as root. Value root_squash allows the root user on the client to access the file system as nfsnobody. Value all_squash allows any user on the client to access the file system as nfsnobody.

Status code: 400

**Table 5** Response body parameters
Parameter	Type	Description
errCode	String	Error code Minimum length: 8 characters Maximum length: 36 characters
errMsg	String	Error message Minimum length: 2 characters Maximum length: 512 characters

Status code: 500

**Table 6** Response body parameters
Parameter	Type	Description
errCode	String	Error code Minimum length: 8 characters Maximum length: 36 characters
errMsg	String	Error message Minimum length: 2 characters Maximum length: 512 characters

{ 
  "rw_type" : "rw", 
  "user_type" : "no_root_squash" 
}

{
  "ip_cidr":"188.88.88.88",
  "rw_type":"ro",
  "user_type":"no_root_squash"
}

Status code: 200

Successful modification

Status code: 400

Error response

{ 
  "errCode" : "SFS.TURBO.0001", 
  "errMsg" : "Invalid rule id" 
}

Status code: 500

Error response

{ 
  "errCode" : "SFS.TURBO.0005", 
  "errMsg" : "Internal server error" 
}

Modifying a Permission Rule