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Old 08-30-2012, 04:12 AM  
perhop
Junior Member
 
Join Date: Aug 2012
Posts: 10
Default Data Socket Error: Failed TLSv1 negotiation

Hi

I an trying to connect to a server using FTPS(TLS), but when I do that I get problem when the data connection are about to be setup. I think the problem are on the server side but I have to prove that to my customer . Can anyone confirm this by looking at the log below, or have I missed something? Looks like firewall issue on the server side. Other possible reasons for this error?

[R] Connecting to Customer -> DNS=customer.com IP=1.1.1.1 PORT=990
[R] Connected to Customer
[R] 220 Server ready for new user.
[R] AUTH TLS
[R] 234 Security data exchange complete.
[R] Connected. Negotiating SSL/TLS session
[R] TLSv1 negotiation successful...
[R] TLSv1 encrypted session using cipher AES256-SHA (256 bits)
[R] PBSZ 0
[R] 200 PBSZ command successful.
[R] USER Test
[R] 331 Password required for Test.
[R] PASS (hidden)
[R] 230 User Test logged in.
[R] SYST
[R] 215 UNIX Type: A
[R] FEAT
[R] 211-Extensions supported:
[R] AUTH
[R] CCC
[R] EPRT
[R] EPSV
[R] FEAT
[R] MDTM
[R] PBSZ
[R] SIZE
[R] REST STREAM
[R] MODE Z
[R] 211 End
[R] PWD
[R] 257 "/" is current directory.
[R] TYPE A
[R] 200 Type set to A.
[R] MODE Z
[R] 200 Transfer Mode set to Z.
[R] PROT P
[R] 200 PROT command successful.
[R] PASV
[R] 227 Entering Passive Mode (1,1,1,1,21,190).
[R] Opening data connection IP: 1.1.1.1 PORT: 5566
[R] LIST -al
[R] Connected. Negotiating SSL/TLS session
[R] Data Socket Error: Failed TLSv1 negotiation, disconnected
[R] Connection lost: Customer (Duration: 2 minutes 11 seconds / Idle: 2 minutes 0 second)

Regards,
Per
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