[ req ] distinguished_name = req_distinguished_name req_extensions = v3_req [ req_distinguished_name ] [ v3_req ] basicConstraints = CA:FALSE keyUsage = nonRepudiation, digitalSignature, keyEncipherment subjectAltName = @alt_names extendedKeyUsage = serverAuth [alt_names] DNS.1 = dex-server DNS.2 = dex-server:30443