Call for testing: OpenSSH 6.8

Damien Miller djm at
Fri Feb 20 09:45:59 AEDT 2015

On Fri, 20 Feb 2015, Damien Miller wrote:

> Hi,
> OpenSSH 6.8 is almost ready for release, so we would appreciate testing
> on as many platforms and systems as possible. This release contains
> some substantial new features and a number of bugfixes.


>  * ssh(1), sshd(8): Host key rotation support. Add a protocol
>    extension for a server to inform a client of all its available
>    host keys after authentication has completed. The client may
>    record the keys in known_hosts, allowing it to upgrade to better
>    host key algorithms and a server to gracefully rotate its keys.
>    The client side of this is controlled by a UpdateHostkeys config
>    option (default on).

Actually, the default is off. You can enable it using UpdateHostKeys=yes
or UpdateHostKeys=ask


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