WinSCP not working with specific webdav server

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kwilliams
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WinSCP not working with specific webdav server

Hi,

I've been using WinSCP for about two years now for work at a university and it suddenly stopped working on Tuesday. I don't know what's wrong with it. I suspect it's something on our end, but I don't know what kinds of questions to ask. WinSCP is not "officially" supported by our support so I won't get any help unless I ask the right questions.

I am using Version 5.13.1 (Build 8265) on Windows 10.
I am using WebDAV with SSL encryption. I am using the GUI (Commander).

Here is the error message I'm getting:
Could not read status line: connection timed out
Connection failed.

Here is the most recent log (with sensitive information redacted):

. 2018-05-03 12:42:35.585 --------------------------------------------------------------------------
. 2018-05-03 12:42:35.616 ah_create, for WWW-Authenticate
. 2018-05-03 12:42:35.616 Sending request headers:
. 2018-05-03 12:42:35.632 OPTIONS /content/enforced/(redacted)/ HTTP/1.1

. 2018-05-03 12:42:35.632 User-Agent: WinSCP/5.13.1 neon/0.30.2

. 2018-05-03 12:42:35.632 Keep-Alive: 

. 2018-05-03 12:42:35.632 Connection: TE, Keep-Alive

. 2018-05-03 12:42:35.632 TE: trailers

. 2018-05-03 12:42:35.632 Host: (redacted)
. 2018-05-03 12:42:35.632 Sending request-line and headers:
. 2018-05-03 12:42:35.632 Doing DNS lookup on (redacted)...
. 2018-05-03 12:42:35.632 req: Connecting to (redacted)
. 2018-05-03 12:42:35.632 Doing SSL negotiation.
. 2018-05-03 12:42:35.648 ssl: Verify callback @ 1 => 20
. 2018-05-03 12:42:35.648 ssl: Verify failures |= 8 => 8
. 2018-05-03 12:42:35.663 Verifying certificate for "(redacted)" with fingerprint (redacted) and 08 failures
. 2018-05-03 12:42:35.679 Certificate verified against Windows certificate store
. 2018-05-03 12:42:35.679 Using TLSv1.2, cipher TLSv1/SSLv3: (redacted), 2048 bit RSA
. 2018-05-03 12:42:35.679 Request sent; retry is 0.
. 2018-05-03 12:42:50.680 Aborted request (-2): Could not read status line
. 2018-05-03 12:42:50.681 sess: Closing connection.
. 2018-05-03 12:42:50.683 sess: Connection closed.
. 2018-05-03 12:42:50.684 Request ends, status 0 class 0xx, error line:
. 2018-05-03 12:42:50.684 Could not read status line: connection timed out
. 2018-05-03 12:42:50.684 Request ends.
. 2018-05-03 12:42:50.684 sess: Destroying session.
* 2018-05-03 12:42:50.700 (EFatal) Network error: Connection to "(redacted)" timed out.
* 2018-05-03 12:42:50.700 Could not read status line: connection timed out
* 2018-05-03 12:42:50.700 Connection failed.

I've tried forgetting and setting up the webdav sites fresh. I've tried uninstalling and reinstalling WinSCP. I've tried adding winscp.exe as an exception to Windows Firewall.

I am able to connect to this webdav using other programs (BitKinex, Transmit on mac) but I much prefer WinSCP. I can connect to other webdav servers using WinSCP. It's just my particular webdav and WinSCP that aren't getting along.

If I can provide any additional information I will be happy to provide it.

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martin
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Re: WinSCP not working with specific webdav server

Does your university have another supported WebDAV client? Does it work? Can you post its log file?

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