如何获得HTTPS证书?
INPUT: echo QUIT | openssl s_client -connect mail.google.com:443 | sed -ne '/BEGIN CERT/,/END CERT/p' OUTPUT: depth=2 C = US, O = "VeriSign, Inc.", OU = Class 3 Public Primary Certification Authority verify return:1 depth=1 C = ZA, O = Thawte Consulting (Pty) Ltd., CN = Thawte SGC CA verify return:1 depth=0 C = US, ST […]