---
title: "Is Cloud IDE compatible with my custom VCL file?"
date: "2025-05-08T07:32:24+00:00"
summary: "Cloud IDE compatibility with custom VCL: Opt-in for ACLs to securely pull your app while maintaining security. Easy integration process."
image:
type: "article"
url: "/acquia-cloud-platform/add-ons/cloud-ide/help/68731-cloud-ide-compatible-my-custom-vcl-file"
id: "9852ddd0-972b-4470-a6c9-6f43b88d6e0b"
---

Yes. If you have a custom Varnish Configuration Language (VCL) file, you can opt-in for Cloud IDE ACLs (Access Control List), which seamlessly pulls your application in Cloud IDE while ensuring the security of your application.

To opt-in for Cloud IDE ACLs, add the following line to your customizable ACL section:

    std.ip(req.http.client-ip, "127.0.0.2") !~ acquia_acls_cloudides