Ftp error 421 I can't accept more than 3 connections

Hosting Support
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Error Message

I sync my local wordpress site with live version via rclone (always on latest version, today it is 1.72.0). Everything has always worked fine and for the past 2 weeks (more or less) it stopped syncing completely. Syncing process starts with initial checks and then for each item there is one and the same ERROR: 421 I can’t accept more than 3 connections as the same user and nothing is transferred. The final message is always NOTICE: Failed to sync with 4 errors: last error was: march failed with 3 error(s): first error: list: failed to make FTP
connection to “185.27.134.11:21”: 421 I can’t accept more than 3 connections as the same user

I tried FileZilla to see if that works, but I receive the same 421 error.

What has changed that it stopped working? My website needs updating and at the moment I am not able to do it.

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The concurrent connection is now limited to 3 per user. Please try decreasing the connections in your FileZilla’s settings.

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So the 3 connection limit has been a bout for a little while (I thought it was longer than 2 weeks, but it might only be 2 weeks)

I’d recommend restarting your PC so that there are no open connections, and then making sure only 1 instance Filezilla\Rsync is running, and that you’ve set the connections limit to 3

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Is it the same as Maximum simultaneous transfers? If it is, then it is set to 2. I can’t see another setting which could attempt to create connections.

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I’ve got it, it is working now, thank you. I had to reduce it to 2 connections, it was still failing at 3.

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Glad to hear it s working now :slight_smile:

Always a pain when things break

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One more question: does accessing the web file manager count as an ftp connection? I’ve just tried to open the file manager while in the process of transferring files via rclone and the error came back and the file manager doesn’t show any files.

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Correct, the client area\dashboard and the online file manager both use FTP connections

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Thank you!

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In FileZilla, you’ll want to limit the concurrent connections to 2, not 3. FileZilla only counts the data transfer connections for that counter (the connections used to upload and download files), but it also maintains a control connection (which is used to build directory listings en ensure that you can still navigate the remote files while the transfers are in progress). So 1 control connection and 2 data connections is what you want.

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