What is the difference between Service Intentions and Access Control Lists

Consul
1

What is the difference between Service Intentions and Access Control Lists for Service to Service communication? which one is more preferred

2

Access Control Lists are used to control access to the Consul control plane’s APIs.

Service intentions are used by the data plane proxies in the service mesh to authorize service-to-service communication.

If you want to secure access to the Consul API, use ACLs. If you want to control access between services in the service mesh, use service intentions.

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