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Transfer fails with 421 Too many connections (8) from this IP #9368

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cyberduck opened this issue Mar 15, 2016 · 14 comments
Closed

Transfer fails with 421 Too many connections (8) from this IP #9368

cyberduck opened this issue Mar 15, 2016 · 14 comments
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bug fixed ftp version:4.8.3
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@cyberduck
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@cyberduck cyberduck commented Mar 15, 2016

6b35ebc created the issue

When trying to upload files via FTP, I can establish a connection but when I try to upload the Drupal files the connection is dropped. Contacted my hosting service, MacHighway, about this. They indicated that they had made some changes to server, so I deleted the bookmark and created a brand new connection. In their testing they were able to transfer using FileZilla, which I also ended up using to update all my Drupal sites. I much prefer Cyberduck. Please advise.


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@cyberduck cyberduck commented Mar 15, 2016

@dkocher commented

Please post the transcript from the log drawer of the Transfers window (Choose ⌘-L).

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@cyberduck cyberduck commented Mar 16, 2016

@dkocher commented

The provider should check the support for data connections using PASV.

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@cyberduck cyberduck commented Mar 16, 2016

6b35ebc commented

Replying to [comment:3 dkocher]:

The provider should check the support for data connections using PASV.

Contacted provider, MacHighway, and they made sure that PASV mode was enabled on their server. The same problem persists – I am able to connect but when I try to upload files using FTP, there server drops the connection.

Since I can use FileZilla to upload files, it would seem that the issue is with CyberDuck. Please advise.

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@cyberduck cyberduck commented Mar 18, 2016

6b35ebc commented

Replying to [comment:3 dkocher]:

The provider should check the support for data connections using PASV.

Contacted provider, MacHighway, and they made sure that PASV mode was enabled on their server. The same problem persists – I am able to connect but when I try to upload files using FTP, there server drops the connection.

Since I can use FileZilla to upload files, it would seem that the issue is with CyberDuck. Please advise.

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@cyberduck cyberduck commented Mar 18, 2016

6b35ebc commented

Contacted provider, MacHighway, and they made sure that PASV mode was enabled on their server. The same problem persists – I am able to connect but when I try to upload files using FTP, there server drops the connection.

Since I can use FileZilla to upload files, it would seem that the issue is with CyberDuck. Please advise.

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@cyberduck cyberduck commented Mar 19, 2016

@dkocher commented

Please post the transcript from the log drawer of the Transfers window. Choose ⌘-L on Mac or right-click the toolbar from the Transfers window and choose Log on Windows

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@cyberduck cyberduck commented Mar 20, 2016

6b35ebc commented

Replying to [comment:7 dkocher]:

Please post the transcript from the log drawer of the Transfers window. Choose ⌘-L on Mac or right-click the toolbar from the Transfers window and choose Log on Windows

Could not post log here as it was too many characters. So I attached it as a rtf file.

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@cyberduck cyberduck commented Mar 21, 2016

@dkocher commented

Please limit the number of connections allowed for file transfers or disable the use of multiple connections for file transfers in Preferences → Transfers → Transfer Files by choosing Open new connection.

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@cyberduck cyberduck commented Apr 15, 2016

@dkocher commented

#9433 closed as duplicate.

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@cyberduck cyberduck commented Apr 15, 2016

@dkocher commented

#9464 closed as duplicate.

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@cyberduck cyberduck commented Apr 15, 2016

@dkocher commented

We now retry 421 failures with a 1s delay between retries. In d1384cd.

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@cyberduck cyberduck commented May 4, 2016

6b35ebc commented

Replying to [comment:17 dkocher]:
The problem had been resolved. Why did you reopen? Is there something I need to do?

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@cyberduck cyberduck commented May 8, 2016

@dkocher commented

Replying to [comment:18 jimweber]:

Replying to [comment:17 dkocher]:
The problem had been resolved. Why did you reopen? Is there something I need to do?

Revised test and fix in 46cc4df.

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@cyberduck cyberduck commented May 24, 2016

@dkocher commented

#9499 closed as duplicate.

@iterate-ch iterate-ch locked as resolved and limited conversation to collaborators Nov 26, 2021
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