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Openssl extract website ssl certificate

Posted Sep 14, 2012 2012-09-14T20:00:00+02:00 by Rahul Chandna
Updated Aug 14, 2021 2021-08-14T14:23:34+02:00
  • extract and save certificate to a file
1

$ echo | openssl s_client -showcerts -connect google.com:443 2>/dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /tmp/cert.crt
My Notes
openssl sed
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