[Cyberduck-trac] [Cyberduck] #3012: Cyberduck vs. ProFTPd with GnuTLS - TLS Renegotiation fails

[Cyberduck]

#3012: Cyberduck vs. ProFTPd with GnuTLS - TLS Renegotiation fails
-----------------------+----------------------------------------------------
 Reporter:  anonymous  |       Owner:  dkocher
     Type:  defect     |      Status:  new    
 Priority:  normal     |   Milestone:         
Component:  ftp-tls    |     Version:  3.1.2  
 Severity:  critical   |    Keywords:         
-----------------------+----------------------------------------------------
 According to mod_gnutls documentation of ProFTPd, GnuTLS requires a TLS
 Renegotiation after 1GB of transferred data by default.

 From
 http://www.proftpd.org/docs/directives/linked/config_ref_TLSRenegotiate.html:
 "By default, mod_tls will perform renegotiations if supported, on the
 control channel after 4 hours, and on the data channel after one gigabyte
 of transferred data. The default timeout for a renegotiation is 30
 seconds."

 When transferring a single file larger than 1GB through ftps:// Cyberduck
 will cancel the tranfer reporting a permission error.

 Expected behavior: Cyberduck should comply with the renegotation request
 on the TLS data channel

 Workaround: Set "TLSRenegotiate none" in proftpd.conf

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Ticket URL: <http://trac.cyberduck.ch/ticket/3012>
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