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Could not generate DH keypair #7738

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cyberduck opened this issue Jan 16, 2014 · 9 comments
Closed

Could not generate DH keypair #7738

cyberduck opened this issue Jan 16, 2014 · 9 comments
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@ylangisc
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bug fixed ftp-tls FTP (TLS) Protocol Implementation
Milestone
4.4.4

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@cyberduck
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7cff5db created the issue

I want to connect to an FTPS server but I get an error message:

Connection failed

java.lang.RuntimeException: Could not generate DH keypair.

220 ProFTPD 1.3.4a Server (Debian)
AUTH TLS
234 AUTH TLS successful

I have JRE 1.7.0_51. I installed the "Unlimited Strength Java(TM) Cryptography Extension Policy Files" but no success.

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@dkocher commented

Replying to [7738 raimund]:

I have JRE 1.7.0_51. I installed the "Unlimited Strength Java(TM) Cryptography Extension Policy Files" but no success.

There is no JRE installation requirement to run Cyberduck and it is not used.

@cyberduck
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@dkocher commented

What is the server DNS name you are trying to connect to?

@cyberduck
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7cff5db commented

Unfortunately it's a private FTP server, but I've attached a tcpdump capture of the traffic.

@cyberduck
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@dkocher commented

Possibly related to JDK-6956398.

@cyberduck
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@dkocher commented

Can you please test with the latest snapshot build available and let us know if it works.

@cyberduck
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7cff5db commented

Unfortunately no luck with Version 4.4.4 (14217) - still the same error message.

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@dkocher commented

In 5a48ed5.

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@dkocher commented

Please update to the latest snapshot build available.

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7cff5db commented

Yippie, it works, thank you!

@iterate-ch iterate-ch locked as resolved and limited conversation to collaborators Nov 26, 2021
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@ylangisc ylangisc

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bug fixed ftp-tls FTP (TLS) Protocol Implementation
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4.4.4
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