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Server Name Indication (SNI) Problems

1 min read SSL/TLS & Certificates

Server Name Indication (SNI) Problems

Server Name Indication enables multiple SSL certificates on single IP addresses by including the hostname in TLS handshakes. SNI problems manifest as wrong certificate presentations or connection failures with legacy clients. Understanding SNI helps diagnose multi-domain hosting issues.

← Previous: Automated Renewal Best Practices Next: How SNI Works and Why It Fails →

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