"\n    <html>\n        <body style=\"font-family:sans-serif;text-align:center;margin-top:50px;\">\n            <h2>Whitelist IP</h2>\n            <p>Ton IP: 172.20.0.4</p>\n            <form method=\"post\" action=\"/allow\">\n                <input type=\"hidden\" name=\"token\" value=\"\">\n                <button type=\"submit\" style=\"padding:10px 20px;\">\n                    Autoriser mon IP\n                </button>\n            </form>\n        </body>\n    </html>\n    "