questions

[Marc Powell]

> From: Thilanka Samarasekera [mailto:thilanka at sbcglobal.net] 
> Sent: Saturday, January 17, 2004 10:27 AM
> To: Marc Powell
> Subject: questions
>
>
> Marc,

Please send all questions to the list instead of me directly. I'm not a
Nagios developer, nor am I dedicated Nagios support ;) You'll also get a
wider variety of answers from people who have done more with Nagios than
I have.
 
> I was just wondering do you happen to know how the communication 
> between the nagios monitoring box and the hosts that are being 
> monitored takes place ...I mean is the data transfer encrypted ? 

This greatly depends on your implementation, what you're checking and
how you're checking it. For example, if you're using check_pop to check
a remote pop3 server then no, that communication is not going to be
encrypted. NRPE, which allows you to run plugins on remote machines can
use encryption I believe. Check_by_ssh is obviously encrypted. Each
plugin or add-on program is different and you first need to determine
what you want to check, where you want to check it and how secure you
want that communication to be, _then_ you look at what plugins or addons
allow you to accomplish your goals.

> And my other question is can a notification be sent through nagios 
> even if the internet is down is there is a modem attached to the 
> nagios monitoring box?
 
Yes, basically if you can do something from the command line, you can do
it from Nagios. There are people on this list who are using modems for
pager notifications, sms, etc. You'll probably want to look in the FAQ
and the mailling list archives for more information. It may even be
documented in the main Nagios documentation.

--
Marc


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