[lug] Nagios help?

[karl horlen]

good points.  totally see the benefits here.

--- On Tue, 5/24/11, Will <will.sterling at gmail.com> wrote:

From: Will <will.sterling at gmail.com>
Subject: Re: [lug] Nagios help?
To: "Boulder (Colorado) Linux Users Group -- General Mailing List" <lug at lug.boulder.co.us>
Date: Tuesday, May 24, 2011, 6:35 PM

We use passive monitoring to monitor customer's cumputers for them.  With a passive monitor I don't need a VPN connection to your network or a hole in your firewall.  The monitored computers run the nagios status checks out of cron and then send the satus back any way they can, e-mail, http, etc.


On Tue, May 24, 2011 at 7:09 PM, karl horlen <horlenkarl at yahoo.com> wrote:


>>>In an active monitoring scheme the server contacts an agent running on the monitored hosts and tells it to run a monitoring plug-in and then listens for the exit status.  A passive moitor just sits and waits for remote hosts to connect and tell the server the status of services that are being monitored.  If it does not recieve an update in a given amount of time it alerts that the service status is unkown.


thanks

any thoughts on advantages or disadvantages of one versus the other or perhaps a combined approach? both seem like they will generate the same amount of traffic assuming they are configured to achieve the same time interval type checks / responses.






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