421 Too Many Connections when trying to use Filezilla Print

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Idle FTP Connections

What is / causes an idle ftp connection?

Idle ftp connections are caused when an FTP client opens multiple connections
without closing the previous ones, or due to an incorrect setting.


Response: 421 Too many connections (8) from this IP

If your FTP client is using more than 8 connections at the same time, you will get
refused with a message similar to this:

Response: 421 Too many connections (8) from this IP
Error: Could not connect to server
view of 421 too many connections error in filezilla

Viewing / Closing Idle Connections in cPanel

  1. Login to cPanel.
  2. Click the FTP Session Control button in the Files section.
    access ftp session list
  3. You will then see a list of all your current FTP connections. Click the red X in the Disconnect column.
  4. You will then see a message similar to this "Are you sure you want to disconnect testuser@example.com FTP user?." Click the Disconnect button to proceed.

    You are finished when you see a message like this:"The FTP session with PID 27510 was terminated. "

Limiting Simultaneous Connections in FileZilla

  1. Open FileZilla.
  2. Access the Site Manager.
    site manager in filezilla
  3. Click your site, then select the Transfer Settings tab.
  4. Check the box for Limit number of simultaneous connections, and set the Maximum number of connections to 8.
  5. Click the OK button. Now when you are using FileZilla, it will not allow you to go over your limitation of 8 simultaneous FTP connections.

Congratulations, now you know how to drop idle FTP connections in cPanel, and limit your FTP connections in FileZilla.

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