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Server Security's Dirty Secret: Why Your Nginx Still Gets an F

You've got a beefy firewall, fancy VPS. Still, your browser chatter's a sitting duck for attacks. Time to slap on those HTTP security headers and hit A+.

DevTools Feed Apr 03, 2026 4 min read
Nginx config with Big 6 security headers boosting score from F to A+ on securityheaders.com

⚡ Key Takeaways

  • Default Nginx/Apache = Grade F; Big 6 headers = instant A+
  • Start CSP in Report-Only to avoid instant breakage
  • Verify with securityheaders.com—don't trust blindly
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#csp xss #csp-guide #http-security-headers #nginx-security #server-hardening

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Originally reported by dev.to

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