[Xymon] [XYMON] agents with pulldata - xymonfetch and ssh tunelling

[Thomas Eckert]

Pierre,

does a `xymon 127.0.0.1 “ping”` on the client return the version-number of your xymon server? If it does your client should simply report to 127.0.0.1 and you should be ready to go.

`pulldata` is for situations where the _server_ can reach the client (on port 1984) — “normal” communication is the other way around: the client contacts the server on tcp/1984. The “daemon" for `pulldata` from the server on the client is `msgcache`: That has to be enabled in `clientlaunch.cg`. If the security-policy applies to the client as well.
This does not seem to be the case in your setup.

If you are not already using it: have a look at the excellent `ssh-tunnel`-extension <https://wiki.xymonton.org/doku.php/addons:ssh_tunnel <https://wiki.xymonton.org/doku.php/addons:ssh_tunnel>> for automatic establishing (and monitoring) the ssh-tunnel.
I have an article on ssh-tunnel <http://www.it-eckert.com/blog/2014/remote-site-monitoring-with-ssh-tunnel/ <http://www.it-eckert.com/blog/2014/remote-site-monitoring-with-ssh-tunnel/>> and also provide an improved/patched version <http://www.it-eckert.com/software/patches/ssh-tunnel/ <http://www.it-eckert.com/software/patches/ssh-tunnel/>>.

If you have more than one client that has to be monitored in a remote location have a look at `xymonproxy` too, more details here <http://www.it-eckert.com/blog/2014/combine-ssh-tunnel-with-xymonproxy/ <http://www.it-eckert.com/blog/2014/combine-ssh-tunnel-with-xymonproxy/>>.

Cheers
Thomas
> On 31 Oct 2017, at 17:37, Pierre L <pierre.lapha at gmail.com> wrote:
> 
> Hello,
> 
> I am trying to set up xymonfetch/msgcache with ssh tunnelling (because security does not want to open flows on port 1984).
> 
> I have enabled xymonfetch (in tasks.cfg) and added pulldata (in hosts.cfg) on server side and also msgcache (in clientlaunch.cfg) and XYMSRV=127.0.0.1 (in xymonclient.cfg).
> 
> I have done a ssh tunnel (ssh -L 1234:127.0.0.1:1984 <http://127.0.0.1:1984/> IP_of_the_client) from the xymon server. My tunnel is ok but xymon logs still show that nothing happens, no pulldata.
> 
> Is there something else I should do to enable this function?
> 
> Any help would be appreciated. Thank you!
> 
> Pierre
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