Remove an instance from a security group
Updated at：2025-10-20
This API removes a specified BCC instance from a security group.
- Each instance must be associated with at least one security group, with the default being the system's default security group.
- If an instance is linked to only one security group, attempting to remove it will result in a 403 error.
Request structure
Plain Text
1PUT /v{version}/instance/{instanceId}?{action} HTTP/1.1
2Host: bcc.bj.baidubce.com
3Authorization: authorization string
4{
5 "securityGroupId" : securityGroupId
6}Request headers
There are no special headers required beyond the common headers.
Request parameters
| Parameter name | Types | Whether required | Parameter location | Description |
|---|---|---|---|---|
| version | String | Yes | URL parameter | API version number |
| instanceId | String | Yes | URL parameter | Instance ID |
| action | String | Yes | Query | Value for this API: unbind |
| securityGroupId | String | Yes | Request Body parameters | Security group ID to be disassociated from the instance |
Response headers
No special headers are required beyond the standard ones.
Response parameters
There are no special response parameters
Request example
Plain Text
1PUT /v2/instance/i-YufwpQAe?unbind HTTP/1.1
2Host: bcc.bj.baidubce.com
3Authorization: bce-auth-v1/f81d3b34e48048fbb2634dc7882d7e21/2015-08-11T04:17:29Z/3600/host/74c506f68c65e26c633bfa104c863fffac5190fdec1ec24b7c03eb5d67d2e1de
4
5{
6 "securityGroupId" : "g-nky7qeom"
7}Response example
Plain Text
1HTTP/1.1 200 OK
2x-bce-request-id: 1214cca7-4ad5-451d-9215-71cb844c0a50
3Date: Wed, 03 Dec 2014 06:42:19 GMT
4Content-Type: application/json;charset=UTF-8
5Server: BWS