[SATLUG] SSH Forwarding Problem

[John Pappas]

Hey Sean,
The problem resolved?  I am running similar setups for SSH, so let me know
the status and we can work it out.

There problem is with your keys (host or personal) that is not allowing the
key-based authentication to continue.  Once we get past that, the port
reflection should be reasonably straight forward to fix.

Thanks!
John

On 5/8/07, Tameika Reed <tameika.reed at rackspace.com> wrote:
>
> You should look in your /etc/hosts.deny file.
> Usually it is blocked in and placed in that file
>
> ________________________________
>
> From: satlug-bounces at satlug.org on behalf of Sean Carolan
> Sent: Fri 5/4/2007 4:11 PM
> To: The San Antonio Linux User's Group Mailing List
> Subject: [SATLUG] SSH Forwarding Problem
>
>
>
> Maybe someone can help me figure this out.  I have three machines,
> let's call them apple, banana and cherry.  Apple is my workstation,
> banana is a box that I can SSH to, and cherry is only available from
> banana.
>
> If I run these commands everything works fine:
>
> $ ssh -L 2022:cherry:22 banana
> $ ssh localhost -p 2022
>
> And I get immediately connected to cherry with no problem.
>
> When I try to put these settings into my ~/.ssh/config file I get this
> error on the client:
> ssh_exchange_identification: Connection closed by remote host
>
> And this error on the server:
> channel 47: open failed: administratively prohibited: open failed
>
> Here is a copy of my ~/.ssh/config file:
>
> ****************
> Host banana
> Hostname banana.full.domain.name
> LocalForward 21031 cherry.full.domain.name:22
>
> Host cherry
> Hostname localhost
> Port 21031
> HostKeyAlias cherry
> ***************
>
> What's really frustrating is that the config file works fine for some
> hosts, but not for others.  There are about six problem hosts on my
> network that are not allowing the local port forwarding.  Any
> suggestions???
> --
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