Hi,

On Fri, Oct 19, Imam Toufique wrote:
> I am working on setting up ssh / sftp capability with HAProxy,
> initial setup is done ( thanks to some of the members in the haproxy email
> list for help! ) .  I ran into an issue  -- as soon as I ssh via the proxy
> node, within a minutes or so, ssh connection closes on me.

Is the connection idle ? "in 50.3 seconds" matches your
timeout client/server 50000(ms)
(Your (haproxy)logs should give more information why the connection
was closed).

> here is my config file:
> ---------------------------------

...

>    timeout client 50000
>    timeout server 50000

...

> backend http_back
>    timeout connect 900000
>    timeout server 900000

900000(ms)(=15minutes) connect timeout for http seems long ...
(AFAIK this is how long haproxy will wait for tcp connection
to a backend http server).

> backend www-ssh-proxy-backend
>    mode tcp
>    balance roundrobin
>    stick-table type ip size 200k expire 30m
>    stick on src
>    default-server inter 1s
>    server web1 10.1.100.156:22 check id 1
>    server web2 10.1.100.160:22 check id 2

Try using longer timeout server on www-ssh-proxy-backend.
(and/or longer timeout client on www-ssh-proxy).

(You could also try to play with sshd_config: ClientAliveInterval and
TCPKeepAlive)

> Transferred: sent 3312, received 3184 bytes, in 50.3 seconds

-Jarno

-- 
Jarno Huuskonen

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