This API is used to modify a permission rule.

This API is only supported for NFS file systems.

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	The project ID.
share_id	Yes	String	The file system ID.
rule_id	Yes	String	The permission rule ID.

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

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
rw_type	No	String	The read/write permission of the object to be authorized. rw: read and write permission, which is the default option ro: read-only permission none: no permission
user_type	No	String	The file system access permission granted to the user of the object to be authorized. The value can be: no_root_squash (default value): allows any user including root on the client to access the file system as who they are, instead of mapping them to another user. root_squash: allows root on the client to access the file system as nfsnobody and allows a non-root user on the client to access as who they are, instead of being mapped to another user. 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
id	String	The permission rule ID.
ip_cidr	String	The IP address or IP address range of the authorized object. It cannot be modified after configuration.
rw_type	String	The read/write permission of the authorized object. rw: read and write permission, which is the default option ro: read-only permission none: no permission
user_type	String	The file system access permission granted to the user of the authorized object. The value can be: no_root_squash (default value): allows any user including root on the client to access the file system as who they are, instead of mapping them to another user. root_squash: allows root on the client to access the file system as nfsnobody and allows a non-root user on the client to access as who they are, instead of being mapped to another user. 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	The error code.
errMsg	String	The error message.

Status code: 500

**Table 6** Response body parameters
Parameter	Type	Description
errCode	String	The error code.
errMsg	String	The error message.

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

Status code: 200

Success

{
  "id" : "1131ed520xxxxxxebedb6e57xxxxxxxx",
  "ip_cidr" : "192.32.0.0/16",
  "rw_type" : "rw",
  "user_type" : "no_root_squash"
}

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