Function

This API is used to create a security group.

Constraints

By default, a security group only allows instances in it to communicate with each other.

URI

POST /v3/{project_id}/vpc/security-groups

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID.

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
dry_run	No	Boolean	Whether to only send the check request. The value can be one of the following: true: A check request will be sent and the security group will not be created. Check items include mandatory parameters, request format, and constraints. If the check fails, the system returns an error. If the check succeeds, response code 202 will be returned. false (default value): A request will be sent and a security group will be created.
security_group	Yes	CreateSecurityGroupOption object	Request body for creating a security group.

**Table 3** CreateSecurityGroupOption
Parameter	Mandatory	Type	Description
name	Yes	String	Security group name. The value can contain 1 to 64 characters, including letters, digits, underscores (_), hyphens (-), and periods (.).
description	No	String	Description about the security group. The value can contain up to 255 characters and cannot contain angle brackets (< or >).
enterprise_project_id	No	String	Enterprise project ID. When creating a security group, associate an enterprise project ID with the security group. The project ID can be 0 or a string that contains a maximum of 36 characters in UUID format with hyphens (-). 0 indicates the default enterprise project.
tags	No	Array of Tag objects	Security group tags. For details, see the tag objects. Value range: 0 to 20 key-value pairs.

**Table 4** Tag
Parameter	Mandatory	Type	Description
key	Yes	String	Tag key. Value ranges: Each key can contain up to 36 Unicode characters and cannot be left blank. Each key value of a resource must be unique. The value can contain: Letters Digits Special characters: underscores (_) ,at signs (@), and hyphens (-)
value	Yes	String	Tag value. Value range: Each value can contain up to 43 Unicode characters and can be left blank. The value can contain: Letters Digits Special characters: underscore (_), at signs (@), and hyphen (-)

Response Parameters

Status code: 201

**Table 5** Response body parameters
Parameter	Type	Description
request_id	String	Request ID.
security_group	SecurityGroupInfo object	Response body for creating a security group.

**Table 6** SecurityGroupInfo
Parameter	Type	Description
id	String	Security group ID, which uniquely identifies the security group. The value is in UUID format with hyphens (-).
name	String	Security group name. The value can contain 1 to 64 characters, including letters, digits, underscores (_), hyphens (-), and periods (.).
description	String	Description about the security group. The value can contain up to 255 characters and cannot contain angle brackets (< or >).
project_id	String	ID of the project to which the security group belongs.
created_at	String	Time when the security group was created. The value is a UTC time in the format of yyyy-MM-ddTHH:mm:ssZ.
updated_at	String	Time when the security group was updated. The value is a UTC time in the format of yyyy-MM-ddTHH:mm:ssZ.
enterprise_project_id	String	ID of the enterprise project to which the security group belongs. The project ID can be 0 or a string that contains a maximum of 36 characters in UUID format with hyphens (-). 0 indicates the default enterprise project.
tags	Array of Tag objects	Security group tags. For details, see the tag objects. Value range: 0 to 20 key-value pairs.
security_group_rules	Array of SecurityGroupRule objects	Security group rules.

**Table 7** Tag
Parameter	Type	Description
key	String	Tag key. Value ranges: Each key can contain up to 36 Unicode characters and cannot be left blank. Each key value of a resource must be unique. The value can contain: Letters Digits Special characters: underscores (_) ,at signs (@), and hyphens (-)
value	String	Tag value. Value range: Each value can contain up to 43 Unicode characters and can be left blank. The value can contain: Letters Digits Special characters: underscore (_), at signs (@), and hyphen (-)

**Table 8** SecurityGroupRule
Parameter	Type	Description
id	String	Security group rule ID, which uniquely identifies the security group rule. The value is in UUID format with hyphens (-).
description	String	Provides supplementary information about the security group rule. The value can contain no more than 255 characters and cannot contain angle brackets (< or >).
security_group_id	String	ID of the security group to which the security group rule belongs.
direction	String	Inbound or outbound direction of a security group rule. The value can be: ingress: inbound direction. egress: outbound direction.
protocol	String	Protocol type The value can be icmp, tcp, udp, icmpv6, or an IP number. Constraints: If the parameter is left blank, all protocols are supported. When the protocol is icmpv6, IP version should be IPv6. When the protocol is icmp, IP version should be IPv4.
ethertype	String	IP version The value can be IPv4 or IPv6. If you do not set this parameter, IPv4 is used by default.
multiport	String	Port or port range The value can be a single port (80), a port range (1-30), or inconsecutive ports separated by commas (22,3389,80).
action	String	Action of the security group rule. The value can be: allow, deny. The default value is deny.
priority	Integer	Rule priority. The value is from 1 to 100. The value 1 indicates the highest priority.
remote_group_id	String	ID of the remote security group, which allows or denies traffic to and from the security group. Value range: ID of an existing security group. The parameter value is mutually exclusive with parameters remote_ip_prefix and remote_address_group_id.
remote_ip_prefix	String	Remote IP address. If direction is set to egress, the parameter specifies the source IP address. If direction is set to ingress, the parameter specifies the destination IP address. The value is an IP address or a CIDR block. Constraints: The parameter value is mutually exclusive with parameters remote_group_id and remote_address_group_id.
remote_address_group_id	String	ID of the remote IP address group. Value range: ID of an existing IP address group The parameter value is mutually exclusive with parameters remote_ip_prefix and remote_group_id.
created_at	String	Time when the security group rule is created. UTC time in the format of yyyy-MM-ddTHH:mm:ssZ.
updated_at	String	Time when the security group rule is updated. UTC time in the format of yyyy-MM-ddTHH:mm:ssZ.
project_id	String	ID of the project to which the security group rule belongs.

Example Requests

Create a security group, set its name to security_group_1 and description to security group description, and specify the request as a prefight request.

POST https://{Endpoint}/v3/{project_id}/vpc/security-groups

{
  "security_group" : {
    "name" : "security_group_1",
    "description" : "security group description"
  },
  "dry_run" : true
}

Create a security group and set its name to security_group_1* and description to security group description.

POST https://{Endpoint}/v3/{project_id}/vpc/security-groups

{
  "security_group" : {
    "name" : "security_group_1",
    "description" : "security group description"
  }
}

Example Responses

Status code: 201

Normal response for the POST operation. For more status codes, see Status Code.

{
  "security_group" : {
    "id" : "69c999ad-d9ef-4d79-94fd-35e6ceb75325",
    "name" : "security_group_1",
    "project_id" : "060576782980d5762f9ec014dd2f1148",
    "description" : "security group description",
    "enterprise_project_id" : "0",
    "security_group_rules" : [ {
      "id" : "f11a3824-ac19-4fad-b4f1-c5f4a6dd0a80",
      "project_id" : "060576782980d5762f9ec014dd2f1148",
      "security_group_id" : "69c999ad-d9ef-4d79-94fd-35e6ceb75325",
      "remote_group_id" : "69c999ad-d9ef-4d79-94fd-35e6ceb75325",
      "direction" : "ingress",
      "protocol" : null,
      "description" : "",
      "created_at" : "2020-07-09T05:56:27Z",
      "updated_at" : "2020-07-09T05:56:27Z",
      "ethertype" : "IPv6",
      "remote_ip_prefix" : null,
      "multiport" : null,
      "remote_address_group_id" : null,
      "action" : "allow",
      "priority" : 100
    }, {
      "id" : "3d6480e8-9ea4-46dc-bb1b-8db190cd5677",
      "project_id" : "060576782980d5762f9ec014dd2f1148",
      "security_group_id" : "69c999ad-d9ef-4d79-94fd-35e6ceb75325",
      "remote_group_id" : null,
      "direction" : "egress",
      "protocol" : null,
      "description" : "",
      "created_at" : "2020-07-09T05:56:27Z",
      "updated_at" : "2020-07-09T05:56:27Z",
      "ethertype" : "IPv6",
      "remote_ip_prefix" : null,
      "multiport" : null,
      "remote_address_group_id" : null,
      "action" : "allow",
      "priority" : 100
    }, {
      "id" : "9581f18c-1fdd-43da-ace9-7758a56ef28a",
      "project_id" : "060576782980d5762f9ec014dd2f1148",
      "security_group_id" : "69c999ad-d9ef-4d79-94fd-35e6ceb75325",
      "remote_group_id" : null,
      "direction" : "egress",
      "protocol" : null,
      "description" : "",
      "created_at" : "2020-07-09T05:56:27Z",
      "updated_at" : "2020-07-09T05:56:27Z",
      "ethertype" : "IPv4",
      "remote_ip_prefix" : null,
      "multiport" : null,
      "remote_address_group_id" : null,
      "action" : "allow",
      "priority" : 100
    }, {
      "id" : "a3ba270e-e58b-432d-a912-aeb7eace9fb8",
      "project_id" : "060576782980d5762f9ec014dd2f1148",
      "security_group_id" : "69c999ad-d9ef-4d79-94fd-35e6ceb75325",
      "remote_group_id" : "69c999ad-d9ef-4d79-94fd-35e6ceb75325",
      "direction" : "ingress",
      "protocol" : null,
      "description" : "",
      "created_at" : "2020-07-09T05:56:27Z",
      "updated_at" : "2020-07-09T05:56:27Z",
      "ethertype" : "IPv4",
      "remote_ip_prefix" : null,
      "multiport" : null,
      "remote_address_group_id" : null,
      "action" : "allow",
      "priority" : 100
    } ],
    "created_at" : "2020-07-09T05:56:27Z",
    "updated_at" : "2020-07-09T05:56:27Z"
  },
  "request_id" : "a8cf4f79ca3c22ca685e7e8872e8c20b"
}

Status Codes

Status Code	Description
201	Normal response for the POST operation. For more status codes, see Status Code.

Error Codes

See Error Codes.

Creating a Security Group