{"section":"known-issues","requestedLocale":"en","requestedSlug":"restrict-the-defaultsrc-of-the-header-content-security-policy-could-break-the-checkout","locale":"en","slug":"restrict-the-defaultsrc-of-the-header-content-security-policy-could-break-the-checkout","path":"docs/en/known-issues/Portal/restrict-the-defaultsrc-of-the-header-content-security-policy-could-break-the-checkout.md","branch":"main","content":"## Summary\n\n\nRestricting the Content Security Policy header can cause checkout files not to be loaded. For example, the `default-src 'self'` configuration can cause files coming from vtex.com not to be loaded\n\n\n##\n\n## Simulation\n\n\n\n1. Set **default-src** of the Content Security Policy\n2. try to buy something through checkout\n3. See the error on the console\n\n    Content Security Policy: the page's settings blocked the loading of a resource at \n\n\n\n##\n\n## Workaround\n\n\nRemove the header"}