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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{{lc}} | {{lc}} | ||
| − | * <code>[[openssl | + | [[openssl s_client -connect]] |
| + | openssl s_client -connect www.example.com:443 -servername example.com | ||
| + | [[openssl s_client -showcerts]] | ||
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| + | |||
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| + | * <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> | ||
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== See also == | == See also == | ||
| + | * {{openssl s_client}} | ||
* {{openssl}} | * {{openssl}} | ||
* {{OpenSSL}} | * {{OpenSSL}} | ||
[[Category:Security]] | [[Category:Security]] | ||
Latest revision as of 16:05, 11 February 2024
openssl s_client -connect openssl s_client -connect www.example.com:443 -servername example.com openssl s_client -showcerts
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
openssl s_client -servername <NAME> -connect <HOST:PORT> 2>/dev/null | openssl x509 -noout -dates
openssl s client -connect
Activities[edit]
Related terms[edit]
See also[edit]
openssl, openssl s_clientopenssl[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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