# TLS Configuration Testing
## SSL Server Test
Free online service for deep SSL/TLS server configuration analysis.
- **Service:** [ssl labs SSL Test](https://www.ssllabs.com/ssltest/)
- **Privacy:** Domain names and results are not stored or used
### What it Checks
- Certificate chain and validity
- Protocol support (TLS 1.2, 1.3)
- Cipher suite strength
- Perfect Forward Secrecy (PFS)
- OCSP stapling
- HSTS configuration
- Known vulnerabilities (BEAST, POODLE, etc.)
### Scoring
- A+ to F grade
- Detailed breakdown of configuration issues
- Recommendations for improvement
### Usage Tips
- Test both public and internal endpoints
- Re-test after certificate changes
- Compare against OWASP TLS guidelines