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FTP error 421 : Too many connections (8) from this IP in FileZilla

FTP error 421: Too many connections (8) from this IP occurs when your FTP software continues to open a new FTP connections without closing inactive connections.

We allow 8 simultaneous connections from an IP at a time. If you receive this error, please do the following:

Quick Steps

Step 1: In FileZilla, go to File -> Site Manager
Step 2: Locate the Transfer Settings tab

Step 3: Click the checkbox next to “Limit number of simultaneous connections
Step 4: Change “Max number of connections” to ‘1
Step 5: Access cPanel -> Files -> FTP Connections and drop all idle connections by clicking disconnect button
Step 6: If you still get the error, switch off your modem/router and turn it back on
Step 7: If you still get the error, reboot your computer

Note: We recommend using FileZilla, which is a free FTP client.

In Filezilla go to File > Site Manager, select “Transfer Setting” tab. Click on the checkmark box next to “Limit number of simultaneous connections”. You can keep “1″ in the box. (refer to the image below)

filezilla-transfer-settings-tab

filezilla-transfer-settings-tab

 

You can also flush Non-active FTP connections from cPanel if you still see issues. For that access cPanel -> Files -> FTP Connections. You will see the current connections listed there. If you are not able to see, just press the “Reload” button. In order to close the IDLE connections, you will see a disconnect button next to each connection in the Actions column. Click the button twice to drop that connection.

 

After doing the above steps and you still get the error “FTP error 421: Too many connections (8) from this IP”, there are possibilities that your modem or computer is caching or maintaining the connections before it actually times out. In that case, you may need to switch off/on your modem/router and/or reboot your computer.

Once you’ve resolved the FTP 421 error look through these other FTP articles in the FTP category to see if they can help as well.

If the steps above listed in this article do not resolve your issue, please feel free to open a support ticket and we’d be happy to take a look.

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This article was posted in FTP