A security group is a virtual firewall that features stateful data packet filtering. It is used to configure the traffic throttling at the instance level, such as CVM, Cloud Load Balancer and TencentDB. It is an important means of network security isolation.
To meet business requirements, security groups need to be changed during daily OPS, which may affect the associated instances. This document provides you a recommended process to change the security group to minimize the impact on your business.
Security Group Change Process
By following the security group change process, you can not only find issues in time, but also minimize the impact during the change.
Note
We recommend that you follow the process. You can also simplify the process if necessary.