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languagebash
$ tsh status
> Profile URL:  https://shell.ecmwf.int:443
  Logged in as: firstname.lastname@ecmwf.int
  Cluster:      shell.ecmwf.int
  Roles:        *
  Logins:       ab0
  Valid until:  2020-06-22 23:26:30 +0100 BST [EXPIRED]
  Extensions:   permit-X11-forwarding, permit-agent-forwarding, permit-port-forwarding, permit-pty


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titleNew OpenSSH 8.4 clients

From OpenSSH 8.4 the client may refuse to connect with the cryptic message: "Connection closed by UNKNOWN port 65535".

This is because the Teleport system has to remain compatible with some old OpenSSH server versions which are running deprecated algorithms. This problem will go away when our Bologna data centre is used instead.

The fix is to add this in your ssh config (~/.ssh/config) file:

PubkeyAcceptedKeyTypes +ssh-rsa-cert-v01@openssh.com

Destination Hosts available

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