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SSL/TLS Configuration Migration Tool

Convert SSL/TLS configurations between different web server formats

Migrated Configuration

About

The SSL Configuration Migration tool helps you migrate TLS configurations between different web servers and platforms. It converts configurations between Nginx, Apache, HAProxy, and IIS formats, ensuring that security settings are preserved correctly during the migration process.

Server migrations are high-risk operations where TLS misconfigurations can cause security vulnerabilities or service outages. This tool automates the conversion process, translating cipher suite names, protocol directives, and certificate references between server-specific formats while maintaining equivalent security settings.

How to Use

  1. 1Select your source server type (Nginx, Apache, HAProxy, or IIS)
  2. 2Paste or upload your current TLS configuration
  3. 3Select the target server type you are migrating to
  4. 4Click "Convert" and review the generated configuration with migration notes

Use Cases

Tips & Best Practices

  • •Always test converted configurations in a staging environment before applying to production
  • •Review the migration notes for any settings that cannot be directly converted
  • •Verify certificate and key file paths are correct for the target server
  • •Test the converted configuration with SSL Labs after deployment

Technical Details

●Supported Formats: Nginx ssl_* directives, Apache SSLEngine/SSLCipherSuite, HAProxy ssl, IIS bindings
●Cipher Mapping: OpenSSL cipher strings mapped to server-specific format names
●Protocol Mapping:** SSLProtocol (Apache) mapped to ssl_protocols (Nginx) and ssl-min-version (HAProxy)
●Validation:** Post-conversion syntax validation and security equivalence check

Frequently Asked Questions

Most TLS settings have direct equivalents across servers, but some are platform-specific. The tool flags settings that cannot be directly converted and provides alternative approaches. For example, OCSP stapling configuration differs significantly between Nginx and Apache.
Yes, the tool supports bidirectional migration between all supported server types. You can convert from Nginx to Apache, Apache to HAProxy, or any other combination. The conversion maintains security equivalence even when the syntax differs.
Custom modules like Nginx ssl_stapling or Apache mod_ssl specific features are converted where equivalents exist. The tool notes any features that are not directly available in the target platform and suggests alternatives.

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