Handy command to create a .csr and 2048-bit key file
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# openssl req -new -sha256 -nodes -out domain.csr -newkey rsa:2048 -keyout domain.key -config <( cat <<-EOF [req] default_bits = 2048 prompt = no default_md = sha256 req_extensions = req_ext distinguished_name = dn [ dn ] C=AU ST=New South Wales L=Sydney O=Happy Organisation OU=Creative Services emailAddress=support@domain.com CN = domain.com [ req_ext ] subjectAltName = @alt_names [ alt_names ] DNS.1 = domain.com DNS.2 = www.domain.com DNS.3 = mail.domain.com EOF ) |
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