# [OmniOS-discuss] Slow ssh transfers

Martin Waldenvik waldenvik at gmx.com
Wed Oct 12 15:02:27 UTC 2016

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    On 10/12/2016 04:53 PM, Dale Ghent wrote:
    >
    >> On Oct 12, 2016, at 10:45 AM, Martin Waldenvik <waldenvik at gmx.com> wrote:
    >>
    >> On 10/12/2016 04:37 PM, Dan McDonald wrote:
    >>>
    >>>> On Oct 12, 2016, at 10:21 AM, Martin Waldenvik <waldenvik at gmx.com> wrote:
    >>>>>
    >>>> Thank you so much Guo-Rong for your help. When i changed from:
    >>>> Ciphers chacha20-poly1305 at openssh.com,aes256-gcm at openssh.com,aes128-gcm at openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
    >>>>
    >>>> to Ciphers aes256-gcm at openssh.com,aes128-gcm at openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
    >>>>
    >>>> I get full speed. I am so happy for this.
    >>>
    >>> I'm curious about one thing.  Are your ciphers on FreeBSD pre-set to the reduced list (i.e. no chacha) by default?  Or does chacha20 run faster on FreeBSD?
    >>>
    >>> Thanks,
    >>> Dan
    >>>
    >>
    >> Hi Dan
    >>
    >> I have used those ciphers in that order on all my servers and it works in full speed i both freebsd and linux but not in Omnios.
    >>
    >> I have configured my ssh-servers as recommended here:
    >>
    >> https://stribika.github.io/2015/01/04/secure-secure-shell.html
    >
    > Can you provide the output of 'ssh -Q cipher' from both your FreeBSD and OmniOS boxes?
    >
    > /dale
    >

    Hi

    Seems to be the same

    Omnios box - ssh -Q cipher
    3des-cbc
    blowfish-cbc
    cast128-cbc
    arcfour
    arcfour128
    arcfour256
    aes128-cbc
    aes192-cbc
    aes256-cbc
    rijndael-cbc at lysator.liu.se
    aes128-ctr
    aes192-ctr
    aes256-ctr
    aes128-gcm at openssh.com
    aes256-gcm at openssh.com
    chacha20-poly1305 at openssh.com

    FreeBSD box - ssh -Q cipher:
    3des-cbc
    blowfish-cbc
    cast128-cbc
    arcfour
    arcfour128
    arcfour256
    aes128-cbc
    aes192-cbc
    aes256-cbc
    rijndael-cbc at lysator.liu.se
    aes128-ctr
    aes192-ctr
    aes256-ctr
    aes128-gcm at openssh.com
    aes256-gcm at openssh.com
    chacha20-poly1305 at openssh.com

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