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[Solved] Cannot access server with ssh anymore (Couldn't agree a key exchange algorithm)

lsaranto
in General Support

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SSH access to my server has been working fine. Today I can't login anymore. Putty gives me a fatal error saying "Couldn't agree a key exchange algorithm". I recently upgraded to Unraid 6.9.2. I don't use SSH so often so I can't be sure that that is the cause. I tried to search here and with google, but couldn't figure this out.

Edited by lsaranto

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    • Author

    Of course right after posting this I learn that my Putty is an ancient version. (There was actually two versions installed and the shortcut I used pointed to the older one.)

     

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    • lsaranto changed the title to [Solved] Cannot access server with ssh anymore (Couldn't agree a key exchange algorithm)

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