cannot ssh from outside network

Vladimir Kosovac vkosovac at gmail.com
Thu Aug 3 07:59:23 UTC 2006


Did you check TCP wrappers on 137.131.252.71? (hosts.deny / hosts.allow)
Also, as others suggested, make sure firewall lets through ssh traffic.

V

On 8/3/06, Manuel Arostegui Ramirez <manuel at todo-linux.com> wrote:
>
> El Jueves, 3 de Agosto de 2006 01:11, Paula J. Lindsay escribió:
> > Hi,
> > I have a redhat 9 box.
> >
>
> You should upgrade your box, RH 9.0 is quite old.
>
> > I tried to connect to the redhat 9 box from a machine outside our
> network
> > and got the following... 101 worf: ssh -l spooner 137.131.252.71
> >       ssh_exchange_identification: Connection closed by remote host
> >
>
> Use ssh -l spooner 137.131.252.71 -v -v -v
> In order to debug find out what's wrong in the autenthication proccess.
>
> >       And the following packet capture from inside of our firewall shows
> > that born receives the connection and then refuses it with a Fin
> packet...
> > 15:51:13.740835 192.42.82.56.1401 > 137.131.252.71.22: S
> >       15:51:13.744082 137.131.252.71.22 > 192.42.82.56.1401: S
> >       15:51:18.821897 137.131.252.71.22 > 192.42.82.56.1401: F
> >
> >       A connection attempt from within our network is successful.  Maybe
> > this machine is treating hosts from outside of our 137.131 IP space
> > differently? Can someone help me?
> > Many thanks in advance.
> > Paula
>
> Is that box behind a firewall? If so, take a look at those logs.
>
> Greetings.
>
> --
> Manuel Aróstegui Ramírez.
>
> Electronic Mail is not secure, may not be read every day, and should not
> be used for urgent or sensitive issues.
>
> --
> redhat-list mailing list
> unsubscribe mailto:redhat-list-request at redhat.com?subject=unsubscribe
> https://www.redhat.com/mailman/listinfo/redhat-list
>



More information about the redhat-list mailing list