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2011 Sep 25
1
ssh reverse DNS failure
I use dyndns's (free) service to access a remote machine
with a dynamic IP address.
The machine is running under CentOS-6.0.
I can ssh into the address given me by dyndns (*.homelinux.com),
but when I do this I get the warning
"reverse mapping checking getaddrinfo for" *
"failed - POSSIBLE BREAK-IN ATTEMPT!"
This doesn't really matter,
as I normally use OpenVPN for