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ENS:RevokeSecurityGroupEgress

Last Updated:Mar 27, 2026

Deletes an outbound security group rule. After the rule is deleted, the access control implemented by the rule is removed.

Operation description

Note

In the security group-related API documents, outbound traffic refers to the traffic sent by the source and received by the destination.

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RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

  • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

  • API: The API that you can call to perform the action.

  • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

  • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

    • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

    • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

  • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

  • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

ens:RevokeSecurityGroupEgress

update

*All Resource

*

None None

Request parameters

Parameter

Type

Required

Description

Example

IpProtocol

string

Yes

The transport layer protocol. The value of this parameter is case-sensitive. Valid values:

  • tcp

  • udp

  • icmp

  • gre

  • all: All protocols are supported.

all

PortRange

string

Yes

The range of destination ports that correspond to the transport layer protocol for the security group rule. Valid values:

  • If you set the IpProtocol parameter to tcp or udp, the port number ranges from 1 to 65535. The start port number and the end port number are separated by a forward slash (/). Correct example: 1/200. Incorrect example: 200/1.

  • When the IpProtocol parameter is set to icmp, the port number range is -1/-1, which indicates all ports.

  • When the IpProtocol parameter is set to gre, the port number range is -1/-1, which indicates all ports.

  • When the IpProtocol parameter is set to all, the port number range is -1/-1, which indicates all ports.

22/22

SecurityGroupId

string

Yes

The ID of the security group.

sg-bp67acfmxazb4ph***

Policy

string

No

The action of the security group rule. Valid values:

  • accept: allows access.

  • drop: denies access and returns no responses.

Default value: accept.

accept

Priority

integer

No

The priority of the security group rule. Valid values: 1 to 100. A smaller value indicates a higher priority.

Default value: 1.

1

DestCidrIp

string

Yes

The destination IP addresses. CIDR blocks and IPv4 addresses are supported.

By default, this parameter is empty.

10.0.0.0/8

SourcePortRange

string

No

The range of port numbers that correspond to the transport layer protocol for the source security group. Valid values:

  • If you set the IpProtocol parameter to tcp or udp, the port number ranges from 1 to 65535. The start port number and the end port number are separated by a forward slash (/). Correct example: 1/200. Incorrect example: 200/1.

  • When the IpProtocol parameter is set to icmp, the port number range is -1/-1, which indicates all ports.

  • When the IpProtocol parameter is set to gre, the port number range is -1/-1, which indicates all ports.

  • When the IpProtocol parameter is set to all, the port number range is -1/-1, which indicates all ports.

22/22

Response elements

Element

Type

Description

Example

object

RequestId

string

The request ID.

CEF72CEB-54B6-4AE8-B225-F876FF7BA984

Examples

Success response

JSON format

{
  "RequestId": "CEF72CEB-54B6-4AE8-B225-F876FF7BA984"
}

Error codes

HTTP status code

Error code

Error message

Description

400 MissingParameter The input parameter that is mandatory for processing this request is not supplied.
400 NoPermission Permission denied.
400 InvalidParameter.%s The specified field %s invalid. Please check it again.
400 InvalidParameter The errorMessage is %s. Please check it again.
400 InvalidSecurityGroupId.NotFound The specified SecurityGroupId does not exist. The specified security group ID does not exist.
400 SecurityGroupRuleConflict.Duplicated The SecurityGroup rule already exists. duplicate security group rules.
400 AuthorizationLimitExceed The limit of authorization records in the security group reaches. The number of security group rules exceeds the limit.
400 SecurityGroupRule.NotFound The input security group rule does not exist.
400 ens.interface.error An error occurred while calling the API.
400 CallInterface Call Interface Happen Error. An error occurred when you call the operation.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.