Implementing Content Trust
Artifact signing and signature verification are critical security capabilities that allow you to verify the integrity of an artifact. Harbor supports content trust through integrations with Notary and Cosign, ensuring that only signed and verified images are pulled from your Harbor instance.
This page describes how to enforce content trust using a default Harbor deployment policy. For more information on using Cosign and Notary with Harbor, see more how to Sign Artifacts with Cosign and Notary.
Enforce deployment security
As a project administrator, you are able to enforce deployment security by activating the default deployment policy for Cosign or Notary for a given project.
- Log into the Harbor interface and navigate to the Configuration tab for the Project you want to enforce content trust on.
- Select the checkbox for Cosign or Notary. When checked, Harbor will only allow verified images to be pulled from the project. Verified images are determined by either Cosign or Notary, depending on the policy you have checked. You are able to select both options if you wish for both policies to be enforced. If you have both Notary and Cosign policies enforced, then images will need to be signed by both Notary and Cosign to be pulled.
- Click Save.
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