https://blog.ffff65535.com/tags/websocket/Recent content in Websocket on ffff65535Hugozh-cnSat, 25 Oct 2025 03:00:00 +0800https://blog.ffff65535.com/posts/2025/10/25/fix-portainer-edge-agent-connection-timeout/Sat, 25 Oct 2025 03:00:00 +0800https://blog.ffff65535.com/posts/2025/10/25/fix-portainer-edge-agent-connection-timeout/<p>当你将 <strong>Portainer Server</strong> 部署在 <strong>反向代理（如 Caddy、Nginx 或 Traefik）之后</strong>，并尝试添加 <strong>Edge Agent</strong> 时，可能会遇到如下错误：</p> <pre tabindex="0"><code class="language-log" data-lang="log">2025/10/25 16:59:33 client: Connecting to ws://portainer.yourdomain.com:8000 2025/10/25 17:00:18 client: Connection error: dial tcp [your ip]:8000: i/o timeout 2025/10/25 17:00:18 client: Give up </code></pre><p>该问题的根本原因在于：<strong>Portainer 默认生成的 Edge 连接信息中，Tunnel 地址为 <code>域名:8000</code>，但反向代理通常并未暴露 8000 端口</strong>，导致 Edge Agent 无法建立 WebSocket 隧道连接。</p>