FAQ：cloudflare can't connect，cloudflare generate configuration file

From June 6，Users in mainland China generally encounter the problem that Cloudflare WARP connection is unstable or cannot be used normally.，Significant increase in number of reports。This is mainly due to GFW (Great Firewall) blocking the WARP client's connection to the Cloudflare IP address，Especially the impact on IPv4 connections is more obvious。Although WARP uses the popular WireGuard VPN protocol，But this blockade is not limited to the WireGuard protocol，Because other WireGuard-based proxy applications can still run normally。

General solution：

PC operation guide

Windows：

1. Visit the official website and download Cloudflare WARP，Follow the prompts to install normally。
2. Find the Cloudflare WARP shortcut on your desktop，Right click to view its installation path，Go to the folder where the path is located。
3. In the address bar of File Explorer，Delete the currently displayed full path，Just type cmd and press enter。
4. In the pop-up command line window，Enter warp-cli set-custom-endpoint preferred IP:port，Then press enter key。
5. Close and restart the WARP software，If there is no problem with the IP address set，You can connect and surf the Internet normally。

MacOS/Linux：

1. Go to official website，Select and download the corresponding version of Cloudflare WARP installation package according to the system，Follow the prompts to complete the installation。
2. Open system terminal，Switch to root permissions，Or use sudo to execute related commands。
3. Enter warp-cli set-custom-endpoint preferred ip in the terminal:port，Press enter key。
4. If using Mac OS system，Need to exit and reopen the WARP software，You can use it after confirming that the set IP address is normal.；For Linux systems，No need to restart software，You can use the warp-cli connect command to check whether the connection is normal。

Mobile operation guide：

Android：

1. Download and install Cloudflare One Agent。
2. Open app，Follow the prompts to log in using your Cloudflare Zero Trust account。
3. Follow the guidelines to grant the required permissions。
4. In the main interface of the application，Turn on the switch to test the network connection。

iOS：

1. Use a non-mainland Apple ID，Download Cloudflare One Agent from the App Store。
2. Start application，Follow the instructions to log in using your Cloudflare Zero Trust account。
3. Follow the prompts to grant necessary permissions，and install the description file。
4. Turn on the switch on the main interface，Test network connection status。

Other solutions：

1. Try enabling IPv6 connection
   • If your network supports IPv6，IPv6 can be used first to connect，Because the current problem is mainly focused on IPv4 connections。
2. Use another proxy or VPN service
   • Consider using other proxies or VPN services that have not been blocked by GFW as an alternative，to improve connection stability。
3. Adjust DNS settings
   • By using public DNS servers，For example Google's 8.8.8.8 or Cloudflare's 1.1.1.1，Can improve the speed and stability of DNS resolution。
4. Check and update WARP client settings
   • Make sure your WARP client is the latest version，Because updates may contain targeted fixes and optimizations。
5. Contact Cloudflare support team
   • You can submit a support request to Cloudflare，Provide detailed error logs and information，so they can better investigate and resolve issues。
6. Follow the latest feedback from the community
   • Follow user feedback on Cloudflare community forums and other relevant platforms，Get the latest solutions and experience sharing。

Specific steps：

Enable IPv6 connection

1. Enter network settings。
2. Find the network connection you are currently using (such as Wi-Fi or Ethernet)。
3. Make sure the IPv6 protocol is enabled。

Modify DNS settings

1. Open network settings。
2. Select your current network connection (Wi-Fi or Ethernet)。
3. Change DNS server addresses to 8.8.8.8 and 1.1.1.1。

Update WARP client

1. Open WARP client。
2. Go to settings or help menu，Check if updates are available。
3. If there is an update，Please follow the prompts to install。

These measures are designed to help you improve your Cloudflare WARP experience in mainland China.。If the problem persists，It is recommended to obtain information through multiple channels，and adjust usage strategies based on the latest situation。

This site provides more other knowledge sharing and problem solutions，Welcome to collect and follow。

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