Re: SHH Cipher recommendations and "prohibitions" from Debian?

Bartosz Fenski <[email protected]> Tue, 13 May 2025 11:47:51 +0200
Newsgroups gmane.linux.debian.devel.security
Message-ID <[email protected]>
I'd start with something like https://github.com/jtesta/ssh-audit

Bartek

On 13/05/2025 11:35 AM, [email protected] wrote:
> Hello,
> I am upstream maintainer of "Back In Time" [1][2]. It is GUI backup 
> software using rsync, where rsync is able to connect via SSH to a 
> remote host.
> Users are able to configure the Cipher used for that SSH connection.
>
> The project is old and I wasn't the developer implementing this 
> feature. I know nearly nothing about Ciphers and stuff like this.
>
> I would like to give my users some hands-on about the available and 
> used ciphers. I would like to warn if they use an out-dated one and I 
> want to recommend some.
>
> But to do this I need a strong, official and trustful reference. Does 
> Debian has something like his?
>
> I was able to find a list of recommendations from the BSI (a German 
> institution) but without a list of out-dated Ciphers.
> Also the NIST has a document, but I am not able to understand it. I 
> couldn't find a list in it.
>
> What do you think?
>
> Regards,
> Christian Buhtz
>
> [1] -- <https://github.com/bit-team/backintime>
> [2] -- <https://tracker.debian.org/pkg/backintime>
>