"G. Branden Robinson" <g.branden.robin...@gmail.com> writes:
$ ssh gbran...@gcc210.fsffrance.org Unable to negotiate with 213.178.77.185 port 22: no matching key exchange method found. Their offer: gss-group1-sha1-toWM5Slw5Ew8Mqkay+al2g==,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
i believe the relevant ssh option is 'KexAlgorithms', e.g.: ssh -o KexAlgorithms=diffie-hellman-group1-sha1 Alexis.