SSH Zertifikats Check - One-liner

Bash-Script

#!/bin/bash
echo | openssl s_client -servername "$1" -connect "$1":443 2>/dev/null | openssl x509 -noout -issuer -dates -subject

Abspeichern z.B. als checkSSLCert.sh in /usr/bin

chmod +x /usr/bin/checkSSLCert

Aufruf

checkSSLCert [Domain]

Keys checken:

echo "--Certificate:" && openssl x509 -noout -modulus -in certificate_file && echo "--Key:" && openssl rsa -noout -modulus -in private_key