Cipher Order in sshd_config

HAROUAT, KARIM (KARIM) Karim.Harouat at
Tue Aug 26 16:27:37 EST 2014

Hi Damien

Ok thank you a lot for the answer.

Best Rgds,


-----Message d'origine-----
De : Damien Miller [mailto:djm at] 
Envoyé : lundi 25 août 2014 18:52
Cc : openssh-unix-dev at
Objet : Re: Cipher Order in sshd_config

On Wed, 20 Aug 2014, HAROUAT, KARIM (KARIM) wrote:

> Hi
> Sorry to disturb you but I am looking for a question I have, but I don't find any clue for it on the archive list, neither Internet (google search).
> Id like to know in sshd_config file, if the order given for cipher key word has an impact  please?
> I mean is there a difference for the server if I do the config like :
> e.g
> Ciphers aes128-ctr,aes256-ctr
> vs
> Ciphers aes256-ctr,aes128-ctr

It matters on the client but not on the server (see RFC4253 section 7.1) The selected method will be the first on the client's list that appears on the server's list.


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