Sorin Srbu wrote:

> Hi all,
> 
> I have a server that sits behind a router (server is NAT:ed) and allows
> ssh connections in. That is to say, the *only* thing it allows in is ssh
> connections.
> 
> Now, BackupPC uses pings to check if the machine to be backed up is alive.
> Since the router in question doesn?t respond to any pings, it's in a
> pseudo-stealth mode, then BackupPC thinks the machine is down and doesn't
> initiate any backups even though the machine is actually alive and
> responding otherwise.
> 
> Short of making the router visible on the network for pings, is there any
> other way to circumvent this problem? Maybe connecting to the ssh-port or
> something? Ideas and pointers are greatly appreciated!

It isn't necessary that BackupPC use ping.
It is configurable via $Conf{PingCmd}.
My clients start a ssh-tunnel to my server and my PingCmd check the
established connection with netstat.

br
Matthias
-- 
Don't Panic


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