[Bug 720] "UseDNS no" breaks public key login

[bugzilla-daemon at mindrot.org]

http://bugzilla.mindrot.org/show_bug.cgi?id=720

wsanders1 at yahoo.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WONTFIX



------- Additional Comments From wsanders1 at yahoo.com  2003-09-30 07:24 -------
Ahhh, this was a usage error. You can close this bug. "UseDNS no" stops all DNS
references from occurring - I had expected it to only disable the restriction
that the host's IP be findable in a PTR DNS record. What was actually happening
is that from="<FQDN>" was in my authorized_keys file, and then "UseDNS no"
prevented sshd from looking up the IP of foo. SO sshd would complain "Your host
'11.22.33.44' is not permitted to use this key for login." when it also meant
"key found in the authorized_keys file for <GQDN> but not for 11.22.33.44".

The correct use of "UseDNS no" is to identify the key with 'from ="11.22.33.44"'
(the double quotes are required) rather than 'from="<FQDN>".



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