Re: ssh reverse DNS failure

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On Sun, Sep 25, 2011 at 2:13 PM, Timothy Murphy <gayleard@xxxxxxxxxx> wrote:
> 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 accessing this site -
> the dyndns method is a safety precaution in case openvpn doesn't work.
>
> But I'm wondering if it is possible to stop the warning?
> I've tried various recipes google gave me,
> eg adding "UseDNS no" to /etc/ssh/sshd_config on the remote machine
> (and re-starting sshd),
> but none of them has worked,
>
>
> --

Add the DynDNS hostnane to the localmachine, i.e:


192.168.0.10 mybox.homelinux.net


and see if that helps?



-- 
Kind Regards
Rudi Ahlers
SoftDux

Website: http://www.SoftDux.com
Technical Blog: http://Blog.SoftDux.com
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Cell: 082 554 7532
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