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On Sun, 26 Feb 2017, Mihai Moldovan wrote:
Date: Sun, 26 Feb 2017 05:58:46 +0100 From: Mihai Moldovan <ionic@ionic.de> To: Robert Dinse <nanook@eskimo.com> Cc: jmmec2014@yahoo.com, "x2go-user@lists.x2go.org" <x2go-user@lists.x2go.org> Subject: Re: [X2Go-User] X2Go Client: Kex error : no match for method server host key alog: server [ssh-rsa], client [ssh-ed25519]
On 26.02.2017 05:45 AM, Robert Dinse wrote:
On Redhat derived systems there have been many recent updates to openssh,many of them disabling known to be insecure protocols.
Yes, but the *server* advertised its RSA key (only, which also seems weird, as it should have been also advertising DSA if not disabled and - if DSA were disabled, most likely also ECDSA and ED keys), while the client/libssh only advertised supporting ED-type keys. That's what makes this so wicked.
Mihai