Show certificate from server:
openssl s_client -connect some_host:443
Download certificate from server:
keytool -printcert -rfc -sslserver <server>:443 > cert.pem
Show certificate info:
openssl x509 -in cert.pem -text -noout
Show certificate from server:
openssl s_client -connect some_host:443
Download certificate from server:
keytool -printcert -rfc -sslserver <server>:443 > cert.pem
Show certificate info:
openssl x509 -in cert.pem -text -noout