A Ruby gem for automatically applying security headers with safe defaults to protect web applications from common vulnerabilities.
Secure Headers is a Ruby gem that automatically applies security-related HTTP headers to web applications. It helps developers protect their applications from common vulnerabilities like cross-site scripting (XSS), clickjacking, and content sniffing by providing a centralized configuration for security headers with safe defaults.
Ruby on Rails and Rack application developers who need to implement security headers efficiently and correctly, particularly those managing web applications with sensitive data or compliance requirements.
Developers choose Secure Headers because it simplifies the complex process of configuring security headers, reduces the risk of misconfiguration, and provides a battle-tested solution with safe defaults that originated from Twitter's security team.
Manages application of security headers with many safe defaults
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Automatically applies a wide range of security headers including CSP, HSTS, X-Frame-Options, and more, with defaults that protect against XSS, clickjacking, and other vulnerabilities. The README lists all headers and their specifications.
Supports global defaults, per-action overrides, and named configurations for different environments or API endpoints. Documentation links to per-action and named configuration guides.
Includes both legacy report-uri and modern report-to directives for CSP violation reporting, ensuring compatibility and future-proofing. The README has dedicated sections with examples for both.
Marks all cookies as Secure, HttpOnly, and SameSite by default, enhancing session protection without extra setup. The configuration shows cookies set with these attributes automatically.
Upgrading requires careful attention due to breaking changes from version 4.x to 7.x, as indicated by multiple upgrade documents in the README, increasing maintenance overhead.
Setting up Content Security Policy can be intricate and error-prone, requiring deep understanding of directives and sources. The sample configuration is extensive with warnings about reading more.
Only applicable to Ruby and Rack-based applications, so it's not a cross-platform solution. The README lists similar libraries for other languages, highlighting this restriction.
Configuration must be set at application startup and cannot be changed dynamically at runtime, limiting flexibility for some use cases. The disable! method and configuration setup are done in initializers.