Nginx Config Validator

Validate Nginx SSL/TLS configuration for security issues

About Nginx Config Validator

Our free Nginx Config Validator analyzes your Nginx SSL/TLS configuration for security issues, weak ciphers, outdated protocols, missing security headers, and common misconfigurations. Get actionable recommendations to harden your web server security.

How to Use

Paste your Nginx SSL configuration block into the text area
Click "Validate" to analyze the configuration for security issues
Review the score, issues found, and suggested fixes for each problem

Use Cases

•Pre-deployment security review of Nginx SSL configurations
•Hardening existing web server TLS settings against known attacks
•Compliance checking for PCI DSS and other security standards

Frequently Asked Questions

The validator checks ssl_protocols, ssl_ciphers, ssl_prefer_server_ciphers, ssl_session_cache, ssl_session_timeout, ssl_stapling, ssl_trusted_certificate, add_header directives for HSTS and other security headers, and more.

A score of 80% or higher is generally considered good for production use. Scores between 50-80% indicate moderate issues that should be addressed, while scores below 50% have critical security problems requiring immediate attention.

Yes, we have a separate Apache Config Validator tool for validating Apache SSL/TLS configurations. The Apache validator checks similar security parameters but with Apache-specific directive syntax and best practices.

Tips & Best Practices

•Always test nginx configuration syntax before reloading
•Use nginx -T to dump the complete effective configuration
•Check for conflicting directives in different server blocks
•Monitor nginx error logs after configuration changes

Technical Details

Config: Nginx ssl_* directive validation and analysis
Directives: ssl_protocols, ssl_ciphers, ssl_certificate, ssl_session_timeout
Syntax: Configuration syntax and best practices checking
Output: Configuration issues with specific fix recommendations

Related Tools

SSL Certificate Checker SSL/TLS Protocol Analyzer RSA Key Strength Analyzer Key Import/Export Let's Encrypt Auto-Issuer PCI DSS Compliance Checker