Hello!

On Fri, Jul 31, 2015 at 05:05:22PM +0000, Jerry Wyman wrote:

> I’m new to nginx and am trying to load-balance ssh sessions to
> an autoscaling group of ECS instances in AWS.
>
> Having trouble getting my config files right. I don’t get any
> errors on startup, but my access.logs shows this lines for each
> attempt and the command line gives me this :
>
> ssh ec2-user@10.172.60.7
>
> ssh_exchange_identification: Connection closed by remote host
>
> Access.log:
>
> 10.172.200.18 - - [31/Jul/2015:15:54:15 +0000] "SSH-2.0-OpenSSH_6.2" 400 173 "-" "-" "-"
>
> 10.172.200.18 - - [31/Jul/2015:16:25:31 +0000] "SSH-2.0-OpenSSH_6.2" 400 173 "-" "-" "-"
>
> 10.172.200.18 - - [31/Jul/2015:16:34:31 +0000] "SSH-2.0-OpenSSH_6.2" 400 173 "-" "-" "-"
>
> Any direction would be appreciated.

Looks you are trying to balance ssh connections using http module.
This won't work, as http is only able to balance http requests,
not arbitrary connections.

If you want to balance ssh connections, try using the stream
module instead:

http://nginx.org/en/docs/stream/ngx_stream_core_module.html
https://www.nginx.com/resources/admin-guide/tcp-load-balancing/

The stream module is designed to balance arbitrary connections,
and should work for you.

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--
Maxim Dounin
http://nginx.org/

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