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Syncfusion aspnetcore security

Skill syncfusion/aspnetcore-ui-components-skills/skills/syncfusion-aspnetcore-security

**CONTENT SECURITY POLICY (CSP) GUIDE** — Assist with configuring Syncfusion ASP.NET Core EJ2 components to work with strict Content Security Policy (CSP) headers. Use when: implementing CSP headers, generating and applying nonces to inline scripts/styles, configuring external font allowlists, or troubleshooting CSP violations.From its SKILL.md

Install
npx -y skills add syncfusion/aspnetcore-ui-components-skills --skill syncfusion-aspnetcore-security

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SKILL.md

1.8 KB, 278 tokens by cl100k_base, as published. Nobody here has run it

Content Security Policy (CSP) — Syncfusion ASP.NET Core (Security)

Use this skill for high-level, Syncfusion-specific CSP guidance and references. Detailed code snippets and implementation examples live in the concern's references files.

When to Use

  • Implementing CSP headers for Syncfusion EJ2 controls
  • Running in strict CSP mode where inline scripts/styles are restricted
  • Adding nonces to inline scripts/styles for Syncfusion initialization
  • Allowlisting CDN resources or external fonts required by Syncfusion themes

Quick Checklist

  • Generate a cryptographically secure nonce per request
  • Add the nonce to the CSP header and to all Syncfusion script/style tags
  • Allow required CDN origins and font providers in CSP directives
  • Avoid unsafe-inline/unsafe-eval unless absolutely necessary
  • Verify behavior in browser DevTools and address CSP violations

Generic Guidelines (Summary)

  • Generate nonces early in the pipeline and store them in HttpContext for views
  • Use minimal, explicit CSP directives (prefer 'self', explicit hostnames, and 'nonce-<value>')
  • Prefer data binding over inline templates to avoid unsafe-eval requirements
  • Document your CSP policy and the reasons for any relaxations

References

What ships with it: 1 file

11.9 KB alongside SKILL.md

references/

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