Difference between revisions of "Openssl s client"
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↑ https://serverfault.com/questions/139728/how-to-download-the-ssl-certificate-from-a-website
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* <code>[[openssl]] s_client -showcerts -connect YOUR_DOMAIN.COM:443</code> | * <code>[[openssl]] s_client -showcerts -connect YOUR_DOMAIN.COM:443</code> | ||
− | * <code>echo -n | [[openssl s_client -connect]] HOST:PORTNUMBER | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /tmp/$SERVERNAME.cert</code> <ref>https://serverfault.com/questions/139728/how-to-download-the-ssl-certificate-from-a-website</ref> | + | * <code>echo -n | [[openssl s_client -connect]] HOST:PORTNUMBER | [[sed -ne]] '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /tmp/$SERVERNAME.cert</code> <ref>https://serverfault.com/questions/139728/how-to-download-the-ssl-certificate-from-a-website</ref> |
depth=0 C = XX, ST = YY, L = XXXXX, O = ORGA, OU = RND, CN = YOUR_DOMAIN.COM | depth=0 C = XX, ST = YY, L = XXXXX, O = ORGA, OU = RND, CN = YOUR_DOMAIN.COM |
Revision as of 16:49, 11 September 2023
openssl s_client -showcerts -connect YOUR_DOMAIN.COM:443
echo -n | openssl s_client -connect HOST:PORTNUMBER | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > /tmp/$SERVERNAME.cert
[1]
depth=0 C = XX, ST = YY, L = XXXXX, O = ORGA, OU = RND, CN = YOUR_DOMAIN.COM verify error:num=20:unable to get local issuer certificate verify return:1 depth=0 C = XX, ST = YY, L = XXXXX, O = ORGA, OU = RND, CN = YOUR_DOMAIN.COM verify error:num=21:unable to verify the first certificate verify return:1 DONE
Related terms
See also
openssl
[rand | s_client | passwd
|openssl req
|openssl rsa
|openssl genrsa
|openssl x509
|openssl ca
|openssl verify
|openssl ec
|openssl dgst
|openssl pkcs12
|openssl asn1parse
|openssl help
|.cer to .pem, openssl version
- OpenSSL: RSA, ECDSA, WolfSSL, AES, Diffie-Hellman (DH) key-exchange,
/etc/ssl/openssl.cnf
, OpenSSL v3
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