Jakub,
On 2017-03-13 23:43, users-request@xxxxxxxxxxxxxxxxxxxxxxx wrote:
Date: Mon, 13 Mar 2017 09:55:42 +0100
From: Jakub Jelen <jjelen@xxxxxxxxxx>
Subject: Re: SSH problem from BasicLinux floppy booted 486 to Fedora
25
To: phil@xxxxxxxxxxxxx, Community support for Fedora users
<users@xxxxxxxxxxxxxxxxxxxxxxx>
Message-ID: <b9905a1e-2a31-8500-1d0b-8d2f3db4464e@xxxxxxxxxx>
Content-Type: text/plain; charset=utf-8; format=flowed
On 03/13/2017 07:02 AM, Philip Rhoades wrote:
People,
I get an error trying to ssh from a BasicLinux floppy booted 486 (I
want
to sort out HD problems on the old Adaptec 1542 controlled SCSI drive
that has RH5.2 on it!) when trying to connect to my Fedora 25 x86_64
workstation. On the F25 machine in /var/log/secure I get lines like:
Mar 13 16:25:47 phil sshd[7562]: Unable to negotiate with 192.168.1.40
port 1034: no matching key exchange method found. Their offer:
diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1
[preauth]
You are connecting from very old OpenSSH client (3.5), which does not
support any of the currently secure cryptography algorithms. You should
really consider updating that BasicLinux.
There will probably be a very infrequent need to boot that computer -
once I rsync everything off it, the HD will probably only be used for
odd testing after that. Also, I am already using 3 floppies to boot the
machine - an up-to-date BL will be bigger and use more floppies etc etc
Otherwise you can enable the legacy kex and ciphers in the Fedora
OpenSSH server by following these instructions:
http://www.openssh.com/legacy.html
Perfect! Thanks for that - I can reverse using the legacy stuff after I
recover the data from the old machine.
Regards,
Phil.
--
Philip Rhoades
PO Box 896
Cowra NSW 2794
Australia
E-mail: phil@xxxxxxxxxxxxx
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