openssl s_client -connect example.com:443 -servername example.com

Category: VPS Management

openssl s_client -connect example.com:443 -servername example.com

Inspect a live TLS handshake and certificate chain

Use `openssl s_client -connect example.com:443 -servername example.com` to inspect a live TLS handshake and certificate chain. Helpful when you need this quickly on a Linux server.
Looking for more? Search all 7,657 commands — works offline, in English or Spanish, and fixes typos.