On Wed, Mar 9, 2022 at 2:47 PM Richard W.M. Jones <rjones@xxxxxxxxxx> 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? IIRC, the only SHA-1 thing that should be left in DEFAULT for SSH is SHA-1 as HMAC, which doesn't rely on collision resistance. So, not this round. > Rich. > > -- > Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones > Read my programming and virtualization blog: http://rwmj.wordpress.com > virt-df lists disk usage of guests without needing to install any > software inside the virtual machine. Supports Linux and Windows. > http://people.redhat.com/~rjones/virt-df/ > _______________________________________________ > devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx > Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx > Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure