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Old 11-13-2021, 10:32 PM   #1
paulravensky
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Question SSH error unsuccesful negotiation of the key exchange

hello, after updating pterodaktyl I can't log in to sftp because it shows the message: SSH Error: unsuccessful negotiation of the key exchange algorithm

The reboot of the entire server has been done but the problem still persists. How to fix it?

I'm using the latest version 5
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Old 11-13-2021, 10:34 PM   #2
paulravensky
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Question SSH error problem. Please help

hello, after updating pterodaktyl I can't log in to sftp because it shows the message: SSH Error: unsuccessful negotiation of the key exchange algorithm

The reboot of the entire server has been done but the problem still persists. How to fix it?

I'm using the latest version 5
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Old 11-15-2021, 10:44 PM   #3
MxxCon
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Can you ssh in from command line?
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Old 11-15-2021, 11:21 PM   #4
paulravensky
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Originally Posted by MxxCon View Post
Can you ssh in from command line?
I can easly access using filezilla but I hate it.. I cant work on filezilla
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Old 11-16-2021, 02:59 PM   #5
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Originally Posted by MxxCon View Post
Can you ssh in from command line?
Yes I can connect via filezilla but its horibble.
I need to connect through flashfxp
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Old 11-17-2021, 03:25 AM   #6
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Are you using the same version of openssl dll file for both? If not, try to update FlashFXP's dll with newer version
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Old 12-01-2021, 10:44 PM   #7
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Originally Posted by MxxCon View Post
Are you using the same version of openssl dll file for both? If not, try to update FlashFXP's dll with newer version
I don't understand openssl? What should I do then?

I have downloaded dlls from https://www.dll-files.com
and replace with those downloaded. And the same result.
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Old 12-03-2021, 01:53 AM   #8
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Try to copy openssl dll from filezilla to flashfxp's dir. It might work or it might not. I haven't used FlashFXP in a while with ssh to remember how exactly to fix it.
Or it's possible that FlashFXP needs to be updated to support these new protocols... which is obviously not going to happen for a long time.
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Old 12-07-2021, 07:49 PM   #9
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Quote:
Originally Posted by paulravensky View Post
I don't understand openssl? What should I do then?

I have downloaded dlls from https://www.dll-files.com
and replace with those downloaded. And the same result.
Try my guide here: https://www.flashfxp.com/forum/flash...4-0-build.html

If It doesn’t work, I’ll post a new topic on How to update FlashFXP to OpenSSL 1.1.1x version.
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Old 12-15-2021, 01:09 PM   #10
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Originally Posted by Galixte View Post
Try my guide here: https://www.flashfxp.com/forum/flash...4-0-build.html

If It doesn’t work, I’ll post a new topic on How to update FlashFXP to OpenSSL 1.1.1x version.
I follow your guide and on Remote Browser its just writes me Winsock 2.2 and that's it
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Old 01-06-2022, 07:45 AM   #11
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Quote:
Originally Posted by Galixte View Post
Try my guide here: https://www.flashfxp.com/forum/flash...4-0-build.html

If It doesn’t work, I’ll post a new topic on How to update FlashFXP to OpenSSL 1.1.1x version.
Yes please, an updated guide for OpenSSL 1.1.1x would be awesome. I have tried to use the new dlls like in your mentioned guide, but they dont seem to load properly. The remote broser console only writes Winsock 2.2 and when trying to connect or transfer with SSL/TLS, FlashFXP just crashes.

Thanks in advance!
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Old 01-29-2022, 07:58 AM   #12
andreas
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It didnt work for me


[14:55:22] [R] Key exchange: curve25519-sha256@libssh.org. Session encryption: aes256-gcm@openssh.com, MAC: <implicit>, compression: none.
.....
[14:55:25] [R] SSH Error: failed to negotiate authentication method
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