[Bug 1194] .host is known, .00host isn't ... or is it?

[bugzilla-daemon at mindrot.org]

http://bugzilla.mindrot.org/show_bug.cgi?id=1194

           Summary: .host is known, .00host isn't ... or is it?
           Product: Portable OpenSSH
           Version: 3.8.1p1
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ssh
        AssignedTo: bitbucket at mindrot.org
        ReportedBy: andrew.brennan at pobox.com


I've checked the reported bugs and there are similar notes, but nothing
that matched this specifically.  Host key verification seems to match
in known_hosts against what was entered, but the error message when
there is no match might be misunderstood when the destination was
entered as an IP address, using a non-standard (but legal) format.

~/.ssh/known_hosts might have a listing:

10.8.1.1 ssh-rsa AAAAB3Nza...

... but if you were to ssh to 10.8.001.001 you will see a notice like:

The authenticity of host '10.8.001.001 (10.8.1.1)' can't be
established.

... assuming that you don't also have 10.8.001.001 in your known_hosts.
 Making this match both the entered address and the () value might be a
solution, but it could well break something else.




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