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example certificate info dump with openssl
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| #!/bin/bash | |
| # https://gist.github.com/davidwalter0/1a96b1afe5794f2a0c8d50e1de3e8aa4 | |
| # https://serverfault.com/questions/661978/displaying-a-remote-ssl-certificate-details-using-cli-tools | |
| domain=${1} | |
| if (( $# < 1 )); then | |
| echo usage ${0##*/} domain | |
| exit 1 | |
| fi | |
| echo | \ | |
| openssl s_client -showcerts -servername ${domain}\ | |
| -connect ${domain}:443 2>/dev/null |\ | |
| openssl x509 -inform pem -noout -text |
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