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How to Fix Error 421 Too Many Connections (8) from This IP

In this short tutorial, you will learn how to fix error 421 too many connections (8) from this IP when using FileZilla or Cpanel. So stay with us.

Error 421 too many connections (8) from this IP mostly happens when you open a new FTP connection without closing idle connections. If you are using shared hosting, this error may occur because your hosting provider limits simultaneous FTP connections to prevent server overload.

What is error 421 too many connections (8) from this IP.

This error “Too Many Connections (8) from This IP” means that the number of connections to the server from a certain IP address (the IP mentioned in the error) has reached the maximum allowed, and the server is not able to make more connections.

This problem usually occurs in network environments, and is likely due to one of the following causes:

  1. Excessive Queries: If requests are sent to the server repeatedly from a particular IP, this may result in a high number of connections.
  2. Brute force attacks: Brute force attacks or attempts to log in using user credentials may increase the number of connections.
  3. Using automated tools: Programs or tools that establish connections to the server automatically may cause this error.

To solve this problem, you can take actions such as:

In any case, it is important to perform a detailed analysis to determine the cause and apply the appropriate adjustments. Well, now that you know the cause of this error, let’s learn how to fix it.

Step 1: Fix error 421 Too Many Connections (8) from This IP using FileZilla

First of all, limit simultaneous connections in your FTP client configuration. Well, to do this, follow the steps below:

1. Download and install FileZilla software.

2. After opening the FileZilla program, first click on the File option and then on the Site Manager option.

3. Choose your site under the Select Entry section and then click on the Transfer Settings tab.

4. Check the Limit number of simultaneous connections option and fill the Maximum number of connections field with desired values.

5. Click OK to save the settings.

Step 1: Dropping inactive connections in cPanel (optional)

If you are using cPanel, you can easily disconnect inactive FTP connections to fix this error. To do this, follow the steps below:

1. Log in to your cPanel environment.

2. Click on the FTP Connections option in the Files tab.

3. You can see all the connections from the Current Connections section. If you don’t see it, click the Reload button.

4. Under the Actions column, click on the Disconnect option for the connections you want to disconnect.

5. Click on Disconnect again to disconnect that item.

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