X509

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Revision as of 10:11, 6 September 2021 by Welcome (talk | contribs) (→‎See also)
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wikipedia:X.509 is a standard defining the format of public key certificates.


Cloudflare certinfo: https://github.com/cloudflare/cfssl/blob/master/certinfo/certinfo.go[1]


openssl x509 -inform pem -noout -text
keytool -printcert -file certificate.pem
openssl x509 -req 
openssl s_client -showcerts -connect YOUR_DOMAIN.COM:443 </dev/null 2>/dev/null | openssl x509 -outform PEM > MY_CERTFILE.pem 


Error response from daemon: Get https://URL/: x509: certificate signed by unknown authority

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