Hello to all!
I've set up a distributed environment with one master and one slave.
This to test prupses, I would like clarify myself about the open ports needed.
The doc in wiki (http://docs.opsview.org/doku.php?id=opsview-community:ports)
is not so detailed.
I would like to post it in hope on the community someone can correct me or add
what I'm missing.
3000/tcp
Prupose: OPSView interface
On master: listen on all interfaces, could be listen on local interface in case
you use apache proxy setup
On slaves: not listen
80/tcp
Prupose: Web service
On master: listen (optionally) on all interfaces
On slaves: listen (optionally) on all interfaces
22/tcp
Prupose: SSH Server - needed for configuration and funcionality of Opsview
On master: listen on all interfaces
On slaves: listen on all interfaces - could be not reachable by the master in
case of reverse tunnel configuration
5667/tcp
Prupose: NSCA - transport mechanism for distributed monitoring.
On master: listen on localhost
On slaves: listen on all interfaces
5666/tcp
Prupose: NRPE / opsview-agent - allows to remotely execute Nagios plugins on
other Linux/Unix machines.
On master: listen on all interfaces
On slaves: not listen
3306/tcp
Prupose: MySQL Server - config and/or historical data
On master: listen on all interfaces, could be disabled if MySQL server is on
separate server
On slaves: not listen
2345/tcp
Prupose: NMIS - provides detailed traffic information about routers, switches
and servers, via SNMP.
On master: listen on all interfaces
On slaves: not listen
Is what above correct and complete? Could be in case implemented on the
"community:ports" page, would be helpful.
In addiction, for me it's not so transparent how (which services are involved) on distributed monitoring, passive
checks-results are sent back from slave to master if NSCA is listen on master's localhost port only. I've tested a pure
nagios setup and the passive check output was sent from slave to master using send_nsca and pointing to ip port 5667 of
the master.
Thank's
Simon
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