enabling "none" cipher

[Loganaden Velvindron]

On Fri, 19 Dec 2025 at 12:03, Darren Tucker <dtucker at dtucker.net> wrote:
>
> On Fri, 19 Dec 2025 at 18:17, Nacho via openssh-unix-dev <
> openssh-unix-dev at mindrot.org> wrote:
>
> > [...]
> > Is it possible that there is no native support for "none" cipher in
> > OpenSSH and
> > this is just implemented by third party patches?
> >
>
> Stock OpenSSH does not support the "none" cipher.  It's counter to the
> project's goals of "putting an end to unencrypted logins" and "keeping your
> communiques secret", and it's also the kind of thing that has been used for
> protocol downgrade attacks in the past.
>
They might as well go back to telnet and ftp ?