openssl 检查证书是否过期

echo | openssl s_client -servername ×××w.youqiantu.com -connect ×××w.youqiantu.com:443 2>/dev/null | openssl x509 -noout -dates
notBefore=Apr  3 03:26:03 2018 GMT
notAfter=May 26 05:31:02 2019 GMT

转载于:https://blog.51cto.com/zengestudy/2321418