Sikkerhedsindstillinger

X-Frame-indstillinger

• RFC 7034: HTTP Header Field X-Frame-Options
• X-Frame-Options, MDN webdocs

X-Content-Type-indstillinger

• Blog 'IE8 Security Part VI: Beta 2 Update'
• X-Content-Type-Options, MDN webdocs

X-XSS-beskyttelse

• Blog 'IE8 Security Part IV: The XSS Filter'
• X-XSS-Protection, MDN webdocs

Content-Security-politik (CSP)

• Content Security Policy Level 2, W3C
• MDN webdocs on Content-Security-Policy
• Mozilla's Laboratory (Content Security Policy / CSP Toolkit)

Referrer-politik

• Referrer Policy, W3C
• Referrer-Policy, MDN webdocs