On Mon, 11 Mar 2019 01:41:19 -0400, Philip Webb wrote: > That forum contains a solution : > > ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 123.123.123.123 > > That gets me thro' & I can do my work there. > > > Enable legacy and possible less secure key exchange formats and > > ciphers only per server and not globally > > and if possible upgrade the SSH server version. > > However, I've tried to insert an instruction in config files, > but nothing changes after a reboot. > I've tried adding to ~/.ssh/config & /etc/ssh/ssh_config : > > Host 128.100.160.1 > KexAlgorithms +diffie-hellman-group1-sha1 > > That is what seems to be required by 'man 5 ssh_config'.
Try without the +, that works for me here. I have an appliance that uses outdated algorithms and this config works for me Host 1.2.3.4 Ciphers 3des-cbc KexAlgorithms diffie-hellman-group1-sha1 HostKeyAlgorithms ssh-dss -- Neil Bothwick New sig wanted good price paid.
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