ssh warning POSSIBLE BREAK-IN ATTEMPT
When I ssh to my secondary(aka mirror) server I get the following message.
Address 192.168.1.2 maps to mydomain.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
SSH works but just wondering what that error means. Also there is a big delay in the respone from ssh to log in.
Anyone have any ideas on this?
I have tried google for hours but get a bunch of sites for hacking and no explanation.