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I have a problem very similar to the question asked here, but the solution listed there isn't working for me.

Situation: I have two Mac laptops, an old Macbook Air running Yosemite with Cyberduck 4.1.3 and a new Macbook Pro running Yosemite and Cyberduck 4.7.1. I am trying to SFTP into the same server with the same account. On my old laptop, I can connect, browse, download files, and upload files. On my new laptop, I can connect, browse, and download files, but not upload files. I get a "permission denied" error.

Here's what I've checked so far:

  • I have confirmed that I am using the same account, password, port, and protocol between the two systems. (I'm not connecting via SFTP for one and FTP for the other, for instance, or connecting with a lesser-privileged user. Since I can log in on both, I know that I am using the correct access credentials.)
  • I have checked every CyberDuck setting line by line to confirm that they are both identical. (With the obvious exception of the software version. I know that I could update CyberDuck on my old computer and see if it breaks, but that's not the solution I'm hoping for.)
  • I have checked the Network settings line by line, and the only difference is that the old mac happens to be using OpenDNS servers (that couldn't matter, could it?)
  • this older question suggests that Problem is caused by macs MTU settings:

Settings>Network>Advanced>Hardware

Put: MTU:1400

but both computers are set to automatic (MTU:1500) and one is working and one is not. (I tried setting the new one to 1400 anyway, and it didn't help.)

If it matters, the server in question is a WPEngine hosting environment.

I feel like there is probably something really obvious that I am overlooking, but I've run out of ideas. Anybody else have a suggestion for something to try?

Community
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buzzo
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2 Answers2

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Thanks to Burgi's suggestion in comments above about the SFTP updates in CyberDuck, I have switched to using Transmission, and I couldn't be happier.

Thanks, Burgi! If you want to repost as an answer I will happily mark it solved, in the meantime I will mark this as solved based on your input.

buzzo
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Based on the diagnostics you have already performed and the fact alternative FTP clients are functioning without issue the fault appears to lie in your current version of CyberDuck.

The change log for CyberDuck indicates that your version (4.1.3) was originally released in 2011 and that there have been significant changes to how the program handles SFTP connections since then. The most notable changes occur in version 4.5.

Although you have said you don't want to upgrade your version of CyberDuck, I would strongly recommend that you consider it, the current version (as of 2016-02-01) is 4.7.3 for OSX. Alternatively you could try another FTP client such as Filezilla.

Burgi
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