Security headers summary for 4dex.io
This page validates the HTTP security headers returned by 4dex.io, scoring its protection against common web attacks.
Below you can review which headers 4dex.io sends, which are missing, and recommendations to harden the configuration.
What are HTTP security headers?
HTTP security headers are response headers that instruct the browser to apply protective policies, mitigating attacks such as XSS, clickjacking and content sniffing.
Key headers include Content-Security-Policy (CSP), Strict-Transport-Security (HSTS), X-Frame-Options, X-Content-Type-Options and Referrer-Policy.
How to interpret the headers of 4dex.io
A higher score means 4dex.io sends more of the recommended security headers with secure values. Missing headers are highlighted so you know what to add.
Focus first on CSP and HSTS for 4dex.io, as they provide the strongest protection against scripting and downgrade attacks.
Use cases
- Audit the security headers of 4dex.io before or after a deploy.
- Identify missing headers that increase attack risk on 4dex.io.
- Verify that 4dex.io enforces HTTPS with HSTS.
- Support hardening reports and security reviews for 4dex.io.
Frequently asked questions
Which security headers does 4dex.io use?
This page lists the HTTP security headers present on 4dex.io, such as CSP, HSTS, X-Frame-Options and X-Content-Type-Options, along with their values.
Does 4dex.io have a Content-Security-Policy?
The results show whether 4dex.io sends a Content-Security-Policy header and whether its value is considered secure.
Does 4dex.io enforce HTTPS with HSTS?
The Strict-Transport-Security section indicates whether 4dex.io forces HTTPS and for how long, including includeSubDomains and preload flags.
Why does 4dex.io have a low security score?
A low score means 4dex.io is missing important headers or sends insecure values. The missing-headers and recommendations sections explain how to improve it.
Is the security headers check for 4dex.io free?
Yes. The XploreNetHub Security Headers Validator is completely free, requires no sign-up and runs directly in your browser.
Related guides
- Security Headers Checklist — HSTS, CSP and HTTP headers before go-live.
- DNS and SSL Checklist — Steps and verification table before pointing a domain.