> For the complete documentation index, see [llms.txt](https://yeasy.gitbook.io/openstack_code_neutron/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yeasy.gitbook.io/openstack_code_neutron/neutron/extensions/securitygrouppy.md).

# securitygroup.py

Securitygroup扩展类，继承自extensions.ExtensionDescriptor，提供安全组扩展支持。

SecurityGroupPluginBase抽象基础类，定义对安全组进行管理操作的接口。