[CentOS] OT - Is there a package to monitor network traffic

On Jun 14, 2012, at 6:44 PM, Ross Walker <rswwalker at gmail.com> wrote:

> On Jun 14, 2012, at 1:07 PM, Steve Campbell <campbell at cnpapers.com> wrote:
> 
>> We have a situation here that is a real mystery.
>> 
>> Our MRTG on our outgoing router  and a firewall server that protects our 
>> web servers is showing a spike every six hours. I can't find the server 
>> behind the firewall that is generating such an extreme amount of 
>> packets, even though I've looked through the crontabs of nearly all 
>> servers, performed "ps" variations, and other types of investigation.
>> 
>> Is there any type of package I can install that will monitor traffic and 
>> report abnormal, over-threshold packets similar to what wireshark might 
>> do in a manner that would allow me to determine where these packets 
>> might be going or from where they originate?
> 
> Setup a nettop server and netflow on the routing interfaces and you will find tour culprit.

Nettop -> ntop

-Ross