TLDR
Enter a command. For example: pueue parallel, gacutil, ex, touch.

openssl s_client

 
OpenSSL command to create TLS client connections. More information: https://www.openssl.org/docs/manmaster/man1/openssl-s_client.html.
 
  • 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}}
     
  • Set the Server Name Indicator (SNI) when connecting to the SSL/TLS server:
     
    openssl s_client -connect {{host}}:{{port}} -servername {{hostname}}
     
  • Display the complete certificate chain of an HTTPS server:
     
    openssl s_client -connect {{host}}:443 -showcerts