Outputs the openssl certificate details including the chain, subject, and expiration date. Usage: `./checksslcert <fqdn> [port]` - <fqdn>: The hostname or fully qualified domain name of the cert to check - [port]: The tcp port the ssl service is listening on. This will default to `443` if unspecified.

check_ssl_cert_status

#!/usr/bin/env sh

checksslcert() {
  echo "QUIT" | openssl s_client -servername ${1} -connect ${1}:${2:-443}
  echo "QUIT" | openssl s_client -servername ${1} -connect ${1}:${2:-443} | openssl x509 -noout -dates
}