参考：
注：可执行 sudo netstat -tnlp 查看
| 端口 | 服务描述 |
|---|---|
| 22 | SSH |
| 3306 | MariaDB（MySQL） |
| 27017 | MongoDB |
| 5672、25672 | RabbitMQ |
| 4369 | Erlang端口映射守护进程（Erlang Port Mapper Daemon） |
| 11211 | Memcached |
| 35357 | OpenStack Identity Service of Apache HTTP Server（Admin） |
| 5000 | OpenStack Identity Service of Apache HTTP Server（User） |
| 9191 | OpenStack Image Service of Glance Registry |
| 9292 | OpenStack Image Service of Glance API |
| 8774、8775 | OpenStack Compute Service of Nova API |
| 6080 | OpenStack Compute Service of Nova Proxy |
| 9696 | OpenStack Networking Service of Neutron Server |
| 80 | OpenStack Dashboard Service of Apache HTTP Server |
| 8776 | OpenStack Block Storage Service of Cinder API |
| 8786 | OpenStack Shared File Systems Service of Manila API |
| 8080 | OpenStack Object Storage Service of Swift Proxy |
| 8000 | OpenStack Orchestration Service of Heat API (CloudFormation) |
| 8004 | OpenStack Orchestration Service of Heat API |
| 8777 | OpenStack Telemetry Alarming Service of Ceilometer API |
| 8042 | OpenStack Telemetry Alarming Service of Aodh API |
| 8779 | OpenStack Database Service of Trove API |
| 8386 | OpenStack Data Processing Service of Sahara API |
| 53 | Libvirt Dnsmasq |
| 3260 | OpenStack Block Storage Service of Tgtd（iSCSI target后台服务） |
| 873 | OpenStack Object Storage Service of Remote Sync |
| 6000 | OpenStack Object Storage Service of Object |
| 6001 | OpenStack Object Storage Service of Container |
| 6002 | OpenStack Object Storage Service of Account |
| 6379 | redis-server |