Help Center/ Cloud Phone Host/ FAQs/ SSH Tunnel Faults/ What Can I Do If Message "no matching key exchange method found" Is Displayed When I Am Establishing the SSH Tunnel?

Updated on 2023-04-25 GMT+08:00

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What Can I Do If Message "no matching key exchange method found" Is Displayed When I Am Establishing the SSH Tunnel?

Description

Error message "no matching key exchange method found" is displayed during the SSH tunnel establishment.

no matching key exchange method found. Their offer: curve25519-sha256,curve25519-sha256@libssh.org

Causes

When the SSH client establishes a connection with the SSH server, there are situation where no KexAlgorithms matching the connection can be found. In cloud phone scenarios, this problem occurs because the SSH client version is too low.

Handling Method

The following uses Windows 10 as an example:

Upgrade the OpenSSH to 8.1p1.

Download Windows OpenSSH 8.1p1 from https://www.mls-software.com/files/setupssh-8.1p1-1.exe.

Download Linux OpenSSH from https://www.openssh.com/.

Parent topic: SSH Tunnel Faults

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