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Understanding security headers

Security headers are a crucial component in protecting your web applications from attacks.

There are several different security headers that you can implement, each with a specific purpose. Some of the most common ones include:

  • Content Security Policy (CSP): This header is used to restrict the types of content that can be loaded by your web application.

  • X-Content-Type-Options: This header is used to prevent MIME type sniffing attacks.

  • Strict-Transport-Security (HSTS): This header is used to ensure that all communication between your server and clients is encrypted.

  • Referrer-Policy: This header is used to control how much information is sent to third-party websites when a user clicks a link on your site.