I need the ability to monitor remote windows servers through the internet. These remote servers will only be accessible via a port(s) that I'll open on my firewall. I do not have a VPN tunnel established nor a layer 3 route.. How can I monitor remote windows servers? These will be a series of customers...
As you may have noticed, by far the easiest method is going to be to have a VPN connection either to the network the servers are on or to the individual servers. I'm sure you could program some custom connector, but you'd have to do that yourself or pay a community consultant to create such a thing. Zenoss pretty much assumes it's on the network of the devices it's monitoring.
LEPP Computer Group
I didn't notice an agent for Zenoss... An agent based design that queries the WMI system and reports back to the server would be the best route for this implementation. Creating site to site tunnels and/or utilzing scripts to estalibsh client access VPN's is not pratical for servicing customers... I was looking for an open source/free solution aside from Nagios that can assomplish this. In most small environments monitoring your own servers via your own infrastructure is only so reliable... Having an outside service performing these tasks is a far better method for service providers. I really like Zenoss.. I guess until they release an agent that reports back I'm out of luck. My goal is to monitor enviroments that sometimes only have 1 server. Most of these environments are not virtualized so spinning up a VM isn't an option... So.. Using a service provider to externally monitor their servers makes sense...
If the remote servers will have static IPs (either directly or natted). Is there any reason you can't just use SNMP? SNMP-Informant could be purchased for the more advanced stats, or the free versoin of for the basic stats.
Obviously if the monitored targets are going to have dynamic addresses, and dynamic DNS is out of the question I can't see a way around having an agent installed.
Most of my remote environments have multiple servers behind a firewall and some don't even have ports open to them. I definitely won't be able to always have a static NAT. I dont see how to poet forward off the same IP unless changing the smtp port to NAT translate to. I really need the ability to have the remote agents report back to the server.
putty with port redirection may accomplish what you want.
have to be able to ssh into your monitoring vm . setup a putty session to create a reverse tunnel to your monitoring vm on boot and redirect some non-standard local port. Then just put that port into zproperties for snmp. I haven't tried it but it should work.
So there is NO way to use an agent on a remote server (even if i have to write my own) to report back any alerts?
Can zenoss accept SNMP traps at least??
I do love the idea of agentless monitoring but there are some scenarios where you cannot do without.
Well, Zenoss is of course open source, so if you write the functionality, then, yes it could do whatever you want.
It does accept SNMP traps...
LEPP Computer Group
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