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Description of problem: curve25519-sha256 is not compatible with DEFAULT profile (and perhaps others) Version-Release number of selected component (if applicable): RHEL-8.0.0-20190213.0 # rpm -q crypto-policies openssh crypto-policies-20181217-5.git9a35207.el8.noarch openssh-7.8p1-4.el8.x86_64 How reproducible: always Steps to Reproduce: 1. ssh -o KexAlgorithms=curve25519-sha256 -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no localhost Actual results: Unable to negotiate with ::1 port 22: no matching key exchange method found. Their offer: curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1 Expected results: Connects normally. Additional info: This is regression against RHEL-7, so we need to at least document it as known issue. Not a blocker material.
Mirek, can we document it as known issue in RHEL-8.0? Do we need a separate bug for the documentation?
Verify test runs in CI: https://baseos-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/ci-openstack/29584//console [10.0.132.116 ] T: 5 [-ciphers-in-practice-do-not-meet-the-stated] Running [10.0.132.116 ] 1562575727 [Setup ] PASS Score: 0 [10.0.132.116 ] 1562575728 [Test-available-ciphers ] PASS Score: 0 [10.0.132.116 ] 1562575729 [Test-available-macs ] PASS Score: 0 [10.0.132.116 ] 1562575730 [KEX-algorithms ] PASS Score: 0 [10.0.132.116 ] 1562575731 [Key-types ] PASS Score: 0 [10.0.132.116 ] 1562575732 [Cleanup ] PASS Score: 0 [10.0.132.116 ] T: 5 [-ciphers-in-practice-do-not-meet-the-stated] Completed: PASS
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2019:3644