Windows 10: SSH Help in windows 10. unable to negotiate...

Discus and support SSH Help in windows 10. unable to negotiate... in Windows 10 Network and Sharing to solve the problem; I type: ssh user@localaddress, and get... Unable to negotiate with 192.168.1.9 port 22: no matching key exchange method found. Their offer:... Discussion in 'Windows 10 Network and Sharing' started by callmejoe, Feb 2, 2018.

  1. CALLMEJOE
    callmejoe Win User

    SSH Help in windows 10. unable to negotiate...


    I type: ssh user@localaddress, and get...

    Unable to negotiate with 192.168.1.9 port 22: no matching key exchange method found. Their offer: ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1

    i am trying to connect to this win 10 machine from a win10 machine on the same LAN. both have ssh server and client installed. what's strange is i can connect from one to the other but not vice versa. i can connect using Putty no problem. I can even drop into an ubuntu bash shell and ssh no problem into the other win 10 machine.

    ssh -Q kex output on win10 client:
    C:\WINDOWS\system32>ssh -Q kex
    curve25519-sha256
    L: curve25519-sha256@libssh.org

    ssh -Q kex output on win10 server:
    PS C:\WINDOWS\system32> ssh -Q kex
    diffie-hellman-group1-sha1
    diffie-hellman-group14-sha1
    diffie-hellman-group14-sha256
    diffie-hellman-group16-sha512
    diffie-hellman-group18-sha512
    diffie-hellman-group-exchange-sha1
    diffie-hellman-group-exchange-sha256
    ecdh-sha2-nistp256
    ecdh-sha2-nistp384
    ecdh-sha2-nistp521
    curve25519-sha256
    L: curve25519-sha256@libssh.org

    so looks like there are matching algorithms. any help would be great. thanks

    :)
     
    callmejoe, Feb 2, 2018
    #1
  2. RAJESHBOSE
    rajeshbose Win User

    SSH client error on windows10

    Dear Concern,

    SSH client is not working properly on my windows 10 . when i am tring to connect as a ssh client i am getting

    PS C:\WINDOWS\system32> ssh admin@180.148.208.7 -p 420

    Unable to negotiate with 180.148.208.7 port 420: no matching key exchange method found.

    Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
     
    rajeshbose, Feb 2, 2018
    #2
  3. BOBROSWELL
    BobRoswell Win User
    New Windows 10 ssh client not working for me!

    Enter Powershell

    ssh (myhost.com)

    Results are:

    Unable to negotiate with w.x.y.z port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1

    I can get in just find with , Windows 10 bash, and all other SSH tools that I use.

    Any ideas?
     
    BobRoswell, Feb 2, 2018
    #3
Thema:

SSH Help in windows 10. unable to negotiate...

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