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Fallback to alternate connect mode on failure #12032

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cyberduck opened this issue Jan 5, 2006 · 4 comments
Closed

Fallback to alternate connect mode on failure #12032

cyberduck opened this issue Jan 5, 2006 · 4 comments
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@dkocher
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enhancement fixed ftp FTP Protocol Implementation
Milestone
2.7

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@cyberduck
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anonymous created the issue

I try to use Cyberduck to connect to the disk space provided by my ISP, that I can normally use through FTP.
I enter the server address, username and password, then the status bar at the bottom of Cyberduck's window says that authentification and login succeed, but then it says "Obtention de la liste des fichiers du répertoire /WA" (in case you are a non-French speaking Swiss citizen ;-) this means "Obtaining the list of files of the /WA folder").
The wheel keeps on turning for a while until I get a "IO Error: operation timed out" message.

Using another FTP client (Transmit) it takes a few seconds to display the list of files but I can see them and download/upload files. So it looks like something is wrong with Cyberduck.

Strangely, I have no problem connecting to other (anonymous) servers.
@cyberduck
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c7cfa95 commented

I found the reason for this problem: the server I was trying to connect to doesn't accept passive mode connections.
Changing the connection type to "active" solved the issue, I could get the list of files.
Transmit and RBrowser are able to connect whatever the behaviour of the server is, because if the server doesn't accept passive connections theses software switch automatically to "active".
I could see this in the "Transcript" window of both software.
Hence two suggested new features for Cyberduck:

  1. if the passive mode fails, attempt to connect in active mode,
  2. add a Transcript window which can be very useful in solving connection issues.
    Thanks,
    Herve

@cyberduck
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@dkocher commented

A transcript window will be added in 2.5.6.

@cyberduck
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@dkocher commented

Fallback to alternate connection mode should be supported if the server's response is telling us about not supporting either connect mode.

@cyberduck
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@dkocher commented

d6a5ca6.

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enhancement fixed ftp FTP Protocol Implementation
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@dkocher @cyberduck