Re: [solved] Re: No login with Debian 12 ssh client, ssh-rsa key, Debian 8 sshd

Just to compare, when Red Hat released 9.0 maybe 2 years ago (9.2 is current until 30 June) they disabled by default many older key-lengths and algorithms in SSL that were known to be weak. This caused issues for existing installations. You could either re-enable the weaker methods (easy but a pain

Re: [solved] Re: No login with Debian 12 ssh client, ssh-rsa key, Debian 8 sshd

On 01/06/2024 16:42, Thomas Schmitt wrote: debug1: Remote protocol version 2.0, remote software version OpenSSH_6.7p1 Debian-5 (I wonder what the string "Debian-5" may mean. The Debian 12 machine has debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u2 So "-5" is not the

[solved] Re: No login with Debian 12 ssh client, ssh-rsa key, Debian 8 sshd

Hi, Jeffrey Walton wrote: > If I am not mistaken, the problem you are experiencing is due to using > RSA/SHA-1 on the old machine. Max Nikulin wrote: > My reading of /usr/share/doc/openssh-client/NEWS.Debian.gz is that ssh-rsa > means SHA1 while clients offers SHA256 for the same id_rsa key. Ind

[solved] Re: No login with Debian 12 ssh client, ssh-rsa key, Debian 8 sshd

Hi, the following line in ~/.ssh/config did the trick: PubkeyAcceptedAlgorithms +ssh-rsa This lets ssh -v report: debug1: Offering public key: /home/.../.ssh/id_rsa RSA SHA256:... debug1: Server accepts key: /home/.../.ssh/id_rsa RSA SHA256:... Authenticated to ... ([...]:22) using "pub