What are the best security practices for Nuxt SSR applications?

What are the best security practices for Nuxt SSR applications?

To secure your Nuxt SSR applications, consider implementing the following best practices: 1. Use HTTPS to encrypt data in transit. 2. Sanitize user inputs to prevent XSS attacks. 3. Implement Content Security Policy (CSP) to restrict resources. 4. Regularly update dependencies to patch vulnerabilities. 5. Use environment variables for sensitive information.

Can you explain how to implement Content Security Policy?

Certainly! To implement CSP in a Nuxt SSR application, you can set the Content-Security-Policy header in your server middleware. For example, you can add this in your nuxt.config.js:

serverMiddleware: [
  function (req, res, next) {
    res.setHeader("Content-Security-Policy", "default-src 'self'; script-src 'self' https://trusted.cdn.com;");
    next();
  }
]

This policy allows scripts only from your domain and a trusted CDN.

What about protecting against CSRF attacks?

To protect against CSRF attacks in Nuxt SSR, you can use CSRF tokens. Libraries like csurf can help you generate and validate tokens. Ensure that your forms include a CSRF token and validate it on the server side before processing requests.

Are there any specific Nuxt modules for security?

Yes, there are several Nuxt modules that can enhance security, such as @nuxtjs/helmet for setting various HTTP headers, and @nuxtjs/auth-next for managing authentication securely. These modules can help you implement best practices easily.