On Wed, Mar 09, 2022 at 02:54:40PM +0100, Dmitry Belyavskiy wrote:
At least RHEL 6 issues can be fixed server-side generating an ecdsa
key...
If you can log in ...
This doesn't really work for us because of the way virt-v2v works --
it wants to ssh to the RHEL 5/6/7 server to fetch some files with as
little pre-configuration as possible.
Rich.
On Wed, Mar 9, 2022 at 2:47 PM Richard W.M. Jones
<rjones(a)redhat.com> wrote:
Previous tightening of crypto defaults caused problems with us
connecting to older ssh servers.
I am particularly interested / worried about sshd from RHEL 5, 6 & 7
for virt-p2v and virt-v2v conversions. This broke before, requiring
us to advise users to set the global policy for the machine to LEGACY
(thus ironically weakening crypto for everything).
Also I have some ancient network equipment that cannot be upgraded but
needs older ssh protocols. I can't connect to it from Fedora unless I
set the crypto policy to LEGACY.
Anyway I'm wondering if the SHA-1 change will impact ssh further?
Rich.
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