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Permissions-Policy blocking browser feature
Permissions-Policy.*blocked|Feature-Policy.*denied
Fixes
- 1.Add the required feature to Permissions-Policy header: Permissions-Policy: camera=self, microphone=self
- 2.For iframes, add allow attribute: <iframe allow='camera; microphone'>
- 3.Check which features are blocked in DevTools Console and add them to the policy as needed
securitypermissions-policyheaders
Related Errors
html3 fixes
Mixed content - HTTP resource on HTTPS page
Mixed Content.*was loaded over HTTPS.*requested an insecure|blocked.*mixed.*content
- •Change all resource URLs to HTTPS or use protocol-relative //domain.com/path
- •Add Content-Security-Policy: upgrade-insecure-requests header to auto-upgrade HTTP to HTTPS
html3 fixes
Content Security Policy violation blocking resource
Content.Security.Policy.*blocked|Refused to.*violates.*Content Security Policy
- •Add the blocked resource's origin to the appropriate CSP directive (script-src, style-src, img-src, etc.)
- •Use nonce-based CSP for inline scripts: script-src 'nonce-{random}' and add nonce attribute to script tags
html3 fixes
X-Frame-Options blocking iframe embedding
X-Frame-Options.*DENY|Refused to display.*frame.*X-Frame-Options
- •Set X-Frame-Options: SAMEORIGIN to allow same-domain framing
- •Use Content-Security-Policy: frame-ancestors 'self' https://trusted.com for more control