KB: OpenSSL - Get certificate as file

Ludovic Rivallain calendar Jul 16, 2018  · 1 min read  ·
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Export the SSL certificate(s) of a server to a .pem file:

1TARGET_HOST="fqdn_of_target_host"
2TARGET_PORT="443"
3openssl s_client -showcerts -connect $TARGET_HOST:$TARGET_PORT </dev/null 2>/dev/null|openssl x509 -outform PEM > $TARGET_HOST.pem