This article addresses the common question, “Why won’t free nodes connect?”: in many cases, it’s not that the node is necessarily broken, but that connection failures are caused by conflicts involving your local IP, DNS, browser proxy environment, or client settings. The troubleshooting steps below are arranged in a practical order for ordinary users and are suitable for clients such as V2Ray, VLESS, Clash, and sing-box.
I. First confirm whether the node and client are working properly
Free nodes are usually used by many people, and their availability can fluctuate. After importing them, it’s best to do some basic checks first. Don’t keep reinstalling the client right away—first confirm whether the subscription has been updated and whether the configuration was imported completely.
- Open the client and click “Update Subscription,” or re-import the node link.
- After selecting a node, first use the client’s built-in “Latency/Connectivity Test.”
- Make sure your system time is correct; excessive time drift may cause some protocol handshakes to fail.
- Check whether your local network is working properly; you can first test access to domestic websites without using the proxy.
If all free nodes time out, prioritize checking your local network, DNS, or client mode; if only a few nodes fail, the nodes may be temporarily unavailable, so try another one.
II. What to do if your IP environment is causing connection failures
Some network environments restrict proxy connections, such as corporate networks, campus networks, public Wi-Fi, or unstable carrier networks. You can first switch networks to verify: enable a mobile hotspot, switch from Wi-Fi to 4G/5G, or restart the router to obtain a new outbound IP.
If switching networks lets you connect immediately, that suggests the original network environment may have restrictions. In that case, try changing the node protocol or port, or switch between “Global” and “Rule” mode in the client. For the free nodes provided on this site, it’s also recommended to import multiple backups at once, so if one node doesn’t work, don’t keep getting stuck on it.
III. DNS settings can also affect the connection
Abnormal DNS resolution can prevent the client from finding the server address, showing up as failed latency tests, connection timeouts, or a browser that keeps loading indefinitely. This is especially true when using rule mode: incorrect DNS routing may also cause overseas websites to still go through a direct connection.
- Clash users: check whether DNS is enabled, and try switching between fake-ip and redir-host mode.
- sing-box users: make sure the DNS rules in the configuration have not been overwritten by an old subscription.
- Windows users: you can temporarily change your system DNS to 1.1.1.1 or 8.8.8.8 for testing.
- Mobile users: turn off “Private DNS” or any custom DNS and try again.
After changing DNS, it’s recommended to restart the client; on Windows, you can also run ipconfig /flushdns in Command Prompt to clear the cache.
IV. Browser environment and proxy conflicts
Sometimes the client shows as connected, but the browser still can’t open external websites; the cause is in the browser environment. Common issues include browser proxy extensions, system proxy not being enabled, PAC rule conflicts, or privacy extensions blocking connections.
It’s recommended to first test in an incognito window, or cross-check by switching between Chrome, Edge, and Firefox. Check whether you have installed SwitchyOmega or other proxy extensions in the browser; if so, disable them temporarily to avoid conflicts with the client’s system proxy settings. In the client, also make sure system proxy is enabled, and test using “Rule Mode” or “Global Mode.”
V. Quick troubleshooting checklist
- Update the subscription and test with 2–3 different nodes.
- Make sure the client core is running properly and that the port is not occupied by other software.
- Switch network environments to determine whether the current IP or Wi-Fi is restricted.
- Change DNS and clear the DNS cache.
- Disable browser proxy extensions and enable the client’s system proxy.
- If it still fails, export the logs and check for messages such as timeout, dns failed, or tls handshake failed.
Summary: free nodes failing to connect is usually related to a combination of node status, your local IP, DNS, and the browser proxy environment. Troubleshooting in the order of “node → network → DNS → browser → logs” can help you identify the problem faster. If a particular free node keeps failing for a long time, directly switching to an available node is usually the most time-saving solution.