monitor network usage of a host?
kevin
krcalhoo at mtu.edu
Fri Jan 9 17:14:21 CET 2004
Spyou wrote:
> At 02:56 09/01/2004, Joel Lopez wrote:
>
>> is it possible to find out if a machine is uploading copies of DVD's
>> to the net or if a machine is affected with the slammer virus and
>> generating massive amouts of network traffic?
>>
>> Basically can I be alerted if a machine is using more than normal
>> bandwith?
>
>
> You've got to define what is "normal" and what is "anormal"
>
> Then, a simple check_snmp will be enough to get the network trafic
> graphed (eg. with RRD)
>
> Finaly, you'll have to monitor this graph (eg "what is the last 10
> minuts max network load on this graph") and send outs alerts if treshold
> matches
>
>
> ____________________________________
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>
>
>
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You might want to take a look at this package.
http://nagios.sourceforge.net/download/contrib/misc/check_traffic
It is located in the downloads section of the Nagios web site. Go to
"Get extra stuff" and it is the bottom of that. It works well if you
are monitoring computers that have an SNMP package on them. Otherwise
you could take the ideas in there and monitor each port on your switch
if it has SNMP.
Kevin
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