Greg Wooledge wrote: > On Tue, Dec 18, 2018 at 10:00:12PM +0000, Glenn English wrote: >> Hmmm. When I search the web to find out what KexAlgorithms means, I >> find I've been there before (the 76 year old memory is less than >> optimal). Looking more promising. Thanks, Marc. > > Key Exchange Algorithms. Should be documented in ssh_config(5) and > sshd_config(5). > > The important point is that the client will have a list of these things, > and the server will have a list of these things, and there must be at > least *one* in common between the two lists, or else communication will > not occur.
And further to that, there have to be an agreeable modulo size in certain cases as well (I think for the "Diffie-Hellman" based algorithms). Ran into THAT being a problem when ssh changed from minimum 1024 to 2048 (apparently, some old box of mine was still running with <2048-bit at the time). -- |_|O|_| Registered Linux user #585947 |_|_|O| Github: https://github.com/dpurgert |O|O|O| PGP: 05CA 9A50 3F2E 1335 4DC5 4AEE 8E11 DDF3 1279 A281