Jay Leafey wrote:
Clint Dilks wrote:
Hi People
I am setting up some systems with ssh public keys and as part of this I am using the from directive inside .ssh/authorized_keys. Currently I am using the IP address to control the source. eg from="10.0.0.1" but on one CentOS 4 System that is up to date this will only work if I replace the IP with the DNS name of the server. I have verified that DNS is resolving the DNS Name to the correct IP address on the server in question and all seems to be fine.
Just grasping at straws, but does the reverse DNS zone resolve to the correct DNS name? For example, if the DNS entry "bob.example.com" translates to 10.0.0.1, does 10.0.0.1 resolve to "bob.example.com"?
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Hi Jay :)
That was what I was trying to say with "I have verified that DNS is resolving the DNS Name to the correct IP address on the server in question and all seems to be fine."
So yes I believe this is correct