---
title: "Add the External Network to a Security Policy"
canonical: "https://docs.infoblox.com/space/DeploymentGuideIntegratingB1TDwithAWSRoute53/664338615/Add%20the%20External%20Network%20to%20a%20Security%20Policy"
format: markdown
---
In order to apply a security policy to your AWS VPC, Perform the following steps.

1. In the Infoblox CSP, Navigate to the Security Policy page. Highlight Policies, then click on **Security Policy** in the list that is revealed.

![image](media://0aa98ba3-3137-40c2-86c8-5870ca067789)


2. Once on the Security Policies page, locate the security policy that you would like to add your AWS VPC to. Click the **checkbox** associated with the Security Policy. Then, click** Edit**.

![A screenshot of a computer program

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3. On the panel that is revealed, click **Network Scope** in the left navigation panel.

![A screenshot of a computer

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4. On the *Network Scope* page, click **Add Source**. Then, click **External Networks** in the list that is revealed.


![A screenshot of a computer

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5. In the Available External Networks panel of the Security Policy, click the **arrow **associated with the External network that you’ve created in the previous section.

![A screenshot of a computer

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6. After the External network has been moved from the *AVAILABLE* panel to the *SELECTED* panel, click **Save**.

![A screenshot of a search engine

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7. Finally, click **Finish**, then **Save & Close** to confirm the changes to your Security Policy.

![A screenshot of a computer

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