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Re: [platform-testers] verification instructions for groff 1.23.0.rc2

From: Alexis
Subject: Re: [platform-testers] verification instructions for groff 1.23.0.rc2
Date: Tue, 21 Feb 2023 19:16:07 +1100
User-agent: mu4e 1.8.5; emacs 28.3

"G. Branden Robinson" <> writes:

> Unable to negotiate with port 22: no matching > key
> exchange method found. Their offer:

i believe the relevant ssh option is 'KexAlgorithms', e.g.:

   ssh -o KexAlgorithms=diffie-hellman-group1-sha1

Thanks! That did the trick. I couldn't get the gss-* one to work; it seems that the 'ssh' command doesn't believe it to be lexically valid.

i was intrigued by that one, and did some research. The gss-group1-sha1-* algorithms were deprecated via a "SHOULD NOT" in RFC8732, published in February 2020, due to having "small key lengths and are no longer strong in the face of brute-force attacks":


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