Why can’t I connect to a free node? This guide shows you how to distinguish between a failed node, an unusual network exit IP, a DNS resolution failure, and a browser settings conflict. Troubleshoot in this order—client first, then network, and finally browser—to avoid repeatedly switching nodes without finding the cause. Free node availability can change quickly, and a successful subscription update doesn’t guarantee that a node is working.
First, check: is the node failing to connect, or is the webpage failing to load?
Open your Clash, V2Ray, or sing-box client, confirm that the configuration is enabled, and check the connection test and logs. A successful latency test doesn’t mean every website will be accessible; the test address, routing rules, and restrictions on the target website can all affect the result. If the client times out immediately, check the node and network first. If traffic is flowing but webpages show errors, check DNS and your browser.
Follow these five troubleshooting steps in order
- First, confirm that your local network is working. Temporarily turn off the proxy and visit a website you can normally access directly. If it still won’t load, troubleshoot your Wi-Fi, mobile network, or login requirements first. Also set your device’s date and time to automatic to avoid certificate verification issues.
- Update your subscription and select a node again. In the client, choose “Update subscription” and check for download failures or configuration parsing errors. When using free nodes from this site, also check the page’s instructions and client compatibility. Don’t import a subscription URL as though it were a link to a single node.
- Check that the proxy is actually handling your traffic. On a computer, make sure the system proxy is enabled; on a phone, make sure VPN permissions have been granted. Turn off any other VPN or proxy tools to prevent them from handling traffic at the same time. You can temporarily switch to global mode for comparison, then restore your usual routing rules after testing.
- Try a different node, then a different network. First, keep the network unchanged and switch nodes. Then, keep the node unchanged and switch between Wi-Fi and mobile data. If only one node fails, the node itself is the more likely cause. If the same node only fails on one network, the issue may be related to the network route or exit restrictions.
- Check the connection logs. Note messages such as timeout, DNS, TLS, and authentication. A timeout may indicate an unreachable route; an authentication error may indicate invalid credentials; and a TLS error means you should check the time, client compatibility, and node settings. Don’t assume a single error message proves the cause.
What do IP, DNS, and browser settings affect?
IP issues usually show up as “connected, but a specific website refuses access.” A shared exit IP may trigger a website’s security checks, resulting in a CAPTCHA, access denied message, or region restriction. This doesn’t necessarily mean the node is disconnected. Try a different exit IP for comparison, and avoid repeatedly logging in to verify your account.
DNS translates domain names into addresses. If the client is connected but several websites say that the server can’t be found, or the logs keep showing resolution failures, restore the DNS settings recommended by the client and reconnect. Don’t copy DNS settings from unfamiliar tutorials. Your browser’s “Secure DNS” setting may also use a different resolution path from the proxy, so you can temporarily turn it off and compare.
If only one browser is having trouble, first try visiting the site in a private window, then temporarily disable proxy-related extensions and check whether a separate proxy has been configured. Private browsing doesn’t change your exit IP, but it can help identify issues related to cache, cookies, or certain extensions. If needed, clear data only for the affected website; you don’t need to delete all your browsing history.
Still not working? What information should you collect?
Note the client name and version, device operating system, network type, time of failure, and a redacted error message to help with further troubleshooting. Don’t share your subscription URL, node password, or complete configuration publicly. If multiple nodes fail on different networks, consider updating the official client or reimporting a trusted configuration. Don’t disable certificate verification or install repair tools from unknown sources to troubleshoot the issue.