openSSH: configure ciphers.
Sunil K. Vallamkonda
sunil at redback.com
Wed Mar 7 10:10:54 EST 2001
Does OpenSSH use RC4 or Arcfour ?
40-bit or 128-bit RC4 ?
Thank you.
Sunil.
On Tue, 9 Jan 2001, Pekka Savola wrote:
> On Mon, 8 Jan 2001, Sunil K. Vallamkonda wrote:
> > I see that:
> > SSH uses the following ciphers for encryption:
> > Cipher SSH1 SSH2
> > DES yes no
> > 3DES yes yes
> > IDEA yes no
> > Blowfish yes yes
> > Twofish no yes
> > Arcfour no yes
> > Cast128-cbc no yes
>
> Your list is a based on ssh by ssh communications, I assume.
>
> There has never been Idea in OpenSSH due to patents. Recent versions of
> SSHv2 also support AES aka Rijndael for SSHv2.
>
> DES is just there for SSHv1 compability with certain SSH-enabled routers.
> Because of it's insufficient length, it has been disabled elsewhere.
>
> There are no compile-time configuration options to toggle these on and
> off. You can specify which to use at run time or in configuration using
> 'Cipher' and 'Ciphers'.
>
> --
> Pekka Savola "Tell me of difficulties surmounted,
> Netcore Oy not those you stumble over and fall"
> Systems. Networks. Security. -- Robert Jordan: A Crown of Swords
>
>
>
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