https listener

var key_file = fs.readFileSync(path.resolve(__dirname, '..', 'ssl', 'non_ev_domains.key'));
var cert_file = fs.readFileSync(path.resolve(__dirname, '..', 'ssl', 'non_ev_domains.crt'));
var ca_files = [
    fs.readFileSync(path.resolve(__dirname, '..', 'ssl', 'COMODORSADomainValidationSecureServerCA.crt')),
    fs.readFileSync(path.resolve(__dirname, '..', 'ssl', 'COMODORSAAddTrustCA.crt'))
];
var credentials = {
    key: key_file,
    cert: cert_file,
    ca: ca_files
};

server = https.createServer(credentials, (req, res) => {
    // handle requests..
});