turn off reverse mapping checking?

This is a discussion on turn off reverse mapping checking? within the Networking forums, part of the Help category; I now have a new ISP and when I ssh into my home computer I'm getting this message: reverse mapping checking getaddrinfo for [ ] failed - POSSIBLE BREAK-IN ATTEMPT! ...

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  #1  
Old 08-27-2008, 10:34 AM
Default turn off reverse mapping checking?

I now have a new ISP and when I ssh into my home computer I'm getting
this message:

reverse mapping checking getaddrinfo for
[] failed - POSSIBLE BREAK-IN ATTEMPT!

It's not a big deal but can the messages be turned off? I've tried

StrictHostKeyChecking no
CheckHostIP no
VerifyHostKeyDNS no

in /etc/ssh/ssh_config and

UseDNS no

in /etc/ssh/sshd_config (on the remote system).

Bob T.
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  #2  
Old 08-28-2008, 09:04 PM
Default Re: turn off reverse mapping checking?

On 27 Aug 2008 14:34:04 GMT, Bob Tennent wrote:
> I now have a new ISP and when I ssh into my home computer I'm getting
> this message:
>
> reverse mapping checking getaddrinfo for
> [] failed - POSSIBLE BREAK-IN ATTEMPT!
>
> It's not a big deal but can the messages be turned off?


Re-starting sshd with option -u0 is supposed to do this, but it doesn't
work for me. A simple brute-force solution is to use (a script that does)

ssh host 2> /dev/null

Bob T.
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