On Mon, Mar 12, 2012 at 15:30, Hiisi <hiisi@xxxxxxxxxxxxxxxxx> wrote:
> I don't understand how to do this. I've created .ssh/config as you
> guided me. Now I have the following error:
> nc: getaddrinfo: hostname nor servname provided, or not known
> ssh_exchange_identification: Connection closed by remote host
> Isn't it because host B can't connect to host C directly? They're in
> different networks actually.
I think you missed my caveat comment on my second email. I was assuming
A was your workstation, apparently that is not the case.
Lets go over this again one step at a time.
Assuming this is your use case:
A(workstation) -> remoteB -> remoteC
The solution I provided earlier should be setup on your workstation (or
A in this case).
If on the other hand your use case is:
workstation -> remoteA -> remoteB -> remoteC
Then it needs to be extended by one more step like this:
# using B as proxy to C
Host C
User useronC
ProxyCommand ssh -q B nc %h 22
Host B
User useronB
ProxyCommand ssh -q A nc %h 22
Host A
User useronA
So now when you do,
$ ssh -X A
the "Host A" takes effect.
$ ssh -X B
"Host B" config takes effect but it also uses "Host A".
$ ssh -X C
"Host C" config takes effect but it uses both "Host B" and "Host A". I
would also recommend reading the relevant section in `man ssh_config` to
understand better how this is working. If anything is unclear feel free
to ask.
GL
--
Suvayu
Open source is the future. It sets us free.
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