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https://bugzilla.mindrot.org/show_bug.cgi?id=3627 Bug ID: 3627 Summary: openssh 9.4p1 does not see RSA keys in know_hosts file. Product: Portable OpenSSH Version: 9.4p1 Hardware: SPARC OS: Solaris Status: NEW Severity: major Priority: P5 Component: ssh Assignee: unassigned-bugs at mindrot.org...

...sh://[2001:4800:7819:103:be76:4eff:fe04:9229]:29418 FAIL with usage message OpenSSH_8.2p1, OpenSSL 1.1.1g 21 Apr 2020 Digression: with many operating systems using randomized IPv6 addresses by default for privacy reasons, using ssh to .local systems on the same LAN causes uncontrollable .ssh/know_hosts growth. -- You are receiving this mail because: You are watching the assignee of the bug. You are watching someone on the CC list of the bug.

...- Comment #9 from Darren Tucker <dtucker at dtucker.net> --- (In reply to Marc Herbert from comment #8) > Digression: with many operating systems using randomized IPv6 > addresses by default for privacy reasons, using ssh to .local > systems on the same LAN causes uncontrollable .ssh/know_hosts growth. You can set CheckHostIP=no for those hosts, eg Host *.local CheckHostIP no -- You are receiving this mail because: You are watching the assignee of the bug. You are watching someone on the CC list of the bug.

...sts. ] mhw at valley.wittsend.com's password: So why did one system display the fingerprints (both protocols) and the other system didn't (neither protocols)? Valley is unknown in the global known_hosts file in each case and in each case I get an announcement about adding the host to the know_hosts file. I can't find any difference in my configurations that would prompt this difference in behavior, either. Concerning the known_hosts files... I've found that occasionally I end up with multiple lines with the same key (just different host names or addresses) and sometimes I end up...