[ req ] default_bits = 2048 prompt = no default_md = sha256 req_extensions = req_ext distinguished_name = dn [ dn ] C = US ST = NYC L = NYC emailAddress = email@email.com CN = my.elb.us-east-1.amazonaws.com [ req_ext ] subjectAltName = @alt_names [ alt_names ] DNS.1 = your.elb.us-east-1.amazonaws.com