This article addresses the question, “Why can’t I connect to free nodes?” Often, it’s not that the node is necessarily down. The issue may be with your local network, IP status, DNS resolution, browser proxy, or client rules. Below, we’ll troubleshoot in the order that’s easiest for most users to follow. These steps apply when you can’t connect after importing free nodes into clients such as V2Ray, VLESS, Clash, or sing-box.
1. First, determine whether the problem is with the node or your local setup
Free nodes are often used by many people, so they may experience temporary congestion, blocking, unreachable ports, or delayed subscription updates. Don’t test just one node—try several from the same subscription. If they all fail, focus on checking your local setup.
- Make sure your phone or computer can access domestic websites normally.
- Update the subscription in your client to avoid using expired nodes.
- Test 3–5 nodes in different regions.
- Check the client logs for messages such as timeout, TLS, DNS, or connection refused.
If only one node fails, it’s most likely temporarily unavailable. If all nodes fail, the cause is usually your network, DNS, system proxy, or browser setup.
2. Your IP and network environment can affect the connection
Some broadband, campus, and corporate networks restrict proxy ports or UDP traffic. As a result, a node may work at home but fail at the office. Mobile users may also experience carrier network fluctuations, which can make the client show as connected even though webpages won’t load.
Try the following: close the client, then switch between Wi-Fi and mobile data. On a computer, try connecting through a mobile hotspot. If you’re using a router, restart your modem and router. If switching networks restores the connection right away, the issue is probably with your current IP or network environment. Don’t keep reinstalling the client—instead, try a different network or node, or wait a while.
3. Incorrect DNS settings can prevent webpages from loading
Some users see “connected” in the client and assume the node is working, but websites still won’t load in the browser. A common cause is DNS traffic not being routed through the proxy, or an incorrect DNS cache left on the system. This can happen with clients such as Clash and sing-box if the DNS settings have been changed, resulting in a connection that works but can’t resolve domain names.
- Clash users: Make sure system proxy is enabled. Try switching to Rule or Global mode.
- sing-box users: Check whether TUN or system proxy is enabled. Don’t let two tools compete to control the proxy.
- Windows users: Run ipconfig /flushdns in Command Prompt to clear the cache.
- Mobile users: Disable Private DNS and ad-blocking DNS, then reconnect.
Don’t run multiple VPN or proxy apps at the same time. For example, running a browser extension, accelerator, Clash, and V2RayN together can cause DNS and routing conflicts.
4. Browser settings can make it seem like the connection isn’t working
If the client logs look normal but one browser won’t load websites, the problem may be with the browser’s proxy settings, cache, extensions, or security policies. Try an incognito window, or compare results in Edge, Chrome, or Firefox. Some browser extensions can force proxy settings and prevent requests from going through the client.
To troubleshoot, first disable ad blockers, proxy-switching extensions, and privacy-enhancing extensions. Clear the browser’s DNS cache and site data, and make sure the client is managing the system proxy. If other apps can connect normally and only the browser fails, there’s no need to keep switching free nodes.
5. Recommended quick troubleshooting steps
- Update the free node subscription from this site or another source.
- Try multiple nodes to rule out a single-node outage.
- Enable system proxy or TUN and check that the client is in the right mode.
- Switch networks to see whether your IP or carrier is restricting the connection.
- Clear the DNS cache and disable Private DNS and any unnecessary proxy apps.
- Try a different browser or an incognito window.
In short, if you can’t connect to free nodes, check three things: whether the node is available, whether your network or IP is restricted, and whether DNS and your browser are using the proxy correctly. Following the steps above will usually help you identify the cause quickly. If the problem persists, save the client logs, then try a new subscription or wait for the nodes to be updated.