> For the complete documentation index, see [llms.txt](https://docs.console.zenlayer.com/api-reference/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.console.zenlayer.com/api-reference/legacy/vm/security-group.md). # Security Group
OperationDescription
DescribeSecurityGroupsQueries the details of one or more security groups
CreateSecurityGroupCreate a security group
ModifySecurityGroupsAttributeModifies the information about security groups, such as the names
DeleteSecurityGroupDeletes a security group
ConfigureSecurityGroupRulesConfigures full security group rules
RevokeSecurityGroupRulesRemoves security group rules
AssociateSecurityGroupInstanceApplies a security group on an instance
UnAssociateSecurityGroupInstanceDisassociates the security group from an instance
DescribeInstanceAvailableSecurityGroupResourcesQueries available security groups
AuthorizeSecurityGroupRulesAdds security group rules
AuthorizeSecurityGroupRuleAdds a security group rule