Help Center> Virtual Private Cloud> User Guide (Paris Regions) > FAQ> Security> Which Security Group Rule Has a High Priority When Multiple Security Group Rules Conflict?

Updated on 2024-03-05 GMT+08:00

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Which Security Group Rule Has a High Priority When Multiple Security Group Rules Conflict?

Security group rules use the whitelist mechanism. If multiple security group rules conflict, the rules are aggregated to take effect.

Parent topic: Security

Previous topic: Does a Modified Security Group Rule or a Network ACL Rule Take Effect Immediately for Existing Connections?

Next topic: Why Is Access from a Specific IP Address Still Allowed After a Network ACL Rule That Denies the Access from the IP Address Has Been Added?

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