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Re: A newbie question about ssh



I set up my DNS as cache only... and I didn't put any zone, except for
"0.0.127.in-addr.arpa"
How can I fix this problems?

Thanks


----- Original Message -----
From: "Rick Stevens" <rstevens vitalstream com>
To: <redhat-install-list redhat com>
Sent: Wednesday, 15 May 2002 12:25 AM
Subject: Re: A newbie question about ssh


> Budi Febrianto wrote:
> > Hi,
> > I like to try ssh capabilities to forward ip to another address...
> >
> > so i try this command
> > [root pc_router src]# ssh -g -C -L 80:192.168.1.200:80 127.0.0.1
> >
> > I can connect the web server in 192.168.1.200, and browse it.
> >
> > But, in the console I this message.
> >
> > [root pc_router /root]# Address 192.168.1.1 maps to pc_router, but this
does
> > not map back to the address - POSSIBLE BREAKIN ATTEMPT!
> > channel 2: chan_shutdown_read: shutdown() failed for fd8 [i1 o128]:
> > Transport endpoint is not connected
> > Address 192.168.1.1 maps to pc_router, but this does not map back to the
> > address - POSSIBLE BREAKIN ATTEMPT!
> > Address 192.168.1.1 maps to pc_router, but this does not map back to the
> > address - POSSIBLE BREAKIN ATTEMPT!
> > channel 2: chan_shutdown_read: shutdown() failed for fd8 [i1 o128]:
> > Transport endpoint is not connected
> > channel 3: chan_shutdown_read: shutdown() failed for fd9 [i1 o128]:
> > Transport endpoint is not connected
> >
> >
> > Is there something wrong?
>
> That message is generally caused by a hostname lookup issue.  The
> first message looks like your system is responding to both
> 192.168.1.1 AND 192.168.1.200, possibly on different NICs.  Can
> you include the output of an "ifconfig -a" command?
>
> You may also have a DNS issue.  The "BREAKIN ATTEMPT" errors indicate
> that a reverse DNS lookup of 192.168.1.1 returns a hostname of
> "pc_router", but a forward lookup of "pc_router" returns a DIFFERENT
> IP address.  Therefore, ssh is reporting an attempted breakin because
> the DNS stuff isn't resolving correctly.
>
> ----------------------------------------------------------------------
> - Rick Stevens, SSE, VitalStream, Inc.      rstevens vitalstream com -
> - 949-743-2010 (Voice)                    http://www.vitalstream.com -
> -                                                                    -
> -       "Yeah, but you're taking the universe out of context."       -
> ----------------------------------------------------------------------
>
>
>
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