Re: ssh/sshd connects but does nothing, putty/sshd works fine

[Sven Hoexter <sven@timegate.de>]

On Mon, Feb 21, 2005 at 05:11:58PM +0000, Randy Orrison wrote:
> I'm trying to solve a puzzling problem.  I can use putty on my WindowsXP 
> notebook at work to connect to my home debian box, or to my debian box 
> at work, and it works fine.  When I try to connect from my debian box at 
> work to the box at home, it connects (according to the logs on both 
> sides) but doesn't give me a prompt, and eventually times out.  Details:
> 
> debian box at work:
>   debian 3.0
>   kernel: 2.4.18-1-686
>   ssh -V: OpenSSH_3.8.1p1 Debian 1:3.8.1p1-6.backports.org.1,
>               OpenSSL 0.9.6c 21 dec 2001
> 
> debian box at home:
>   debian 3.1
>   kernel: 2.6.10-1-k7
>   ssh -V: OpenSSH_3.8.1p1 Debian-8.sarge.4,
>               OpenSSL 0.9.7e 25 Oct 2004
> 
> When I connect from putty, auth.log at home shows:
> 
> Feb 21 16:59:53 evo sshd[16697]:
>         Connection from 80.46.104.22 port 59507
> Feb 21 16:59:54 evo sshd[16697]:
>         reverse mapping checking getaddrinfo for
>         dsl-80-46-104-22.access.uk.tiscali.com failed
>         - POSSIBLE BREAKIN ATTEMPT!
Hm get your DNS setup right or set "UseDNS no" in your
sshd_config. That should both solve the problem.
Donno the exact error mesage from the tcp_wrapper so check
/etc/hosts.deny aswell for a line like PARANOID:all or
PARANOID: ssh

HTH
Sven
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