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Issue 1834 – FTP file uploads are interrupting with TLS 1.3

: Core
: 5.16 beta
: Bug
: Medium
: 0
: RESOLVED
: FIXED
: 5.17.4
Last modified: 2021-10-11 14:08
2020-03-06 15:55
https://winscp.net/forum/viewtopic.php?t=28923
2020-03-06 15:55
Related to Issue 1831.
2020-03-06 16:43
Emails with Nestor Salvo and Christoph Probst.
2020-03-09 15:48
This might be ProFTPD problem:
https://forum.filezilla-project.org/viewtopic.php?t=50489&start=15
2020-03-09 15:50
The error manifests as:
"Transfer aborted. Link to file server lost"

As a workaround, you can limit WinSCP to TLS 1.2:
https://winscp.net/eng/docs/ui_login_tls
2020-03-09 15:50
https://winscp.net/forum/viewtopic.php?t=28998
2020-04-06 15:50
Emails with TJ Saunders.
Possibly an OpenSSL issue:
https://github.com/proftpd/proftpd/issues/959
https://github.com/openssl/openssl/issues/7948
https://github.com/openssl/openssl/issues/10880
2020-04-06 15:51
Emails with Felix.
2020-04-22 12:49
Fixed.
2020-04-23 07:47
Commit e78c2485
2020-04-24 09:23
Commit cf7a87cc
2021-10-04 15:09
Emails with Nestor Salvo.
2021-10-11 14:06
Emails with Christoph Probst.
2021-10-11 14:08
This was partially undone by Issue 2030.

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