💾 Archived View for freeshell.de › tldr › openssl-s_client.gmi captured on 2023-06-14 at 14:56:43. Gemini links have been rewritten to link to archived content

View Raw

More Information

⬅️ Previous capture (2022-04-28)

-=-=-=-=-=-=-

openssl s_client

OpenSSL command to create TLS client connections.

More information.

• Display the start and expiry dates for a domain's certificate:

openssl s_client -connect {host}:{port} 2>/dev/null | openssl x509 -noout -dates

• Display the certificate presented by an SSL/TLS server:

openssl s_client -connect {host}:{port} </dev/null

• Display the complete certificate chain of an HTTPS server:

openssl s_client -connect {host}:443 -showcerts </dev/null

Copyright © 2014—present the tldr-pages team and contributors.

This work is licensed under the Creative Commons Attribution 4.0 International License (CC-BY).

CC-BY