[clug] IP network traffic monitoring

Andrew Smith andrew at coolchilli.com
Wed Sep 14 01:32:50 GMT 2005

Hi Tony,

I've got snort running on a high volume network, logging into mysql 4.  I use 
acid to provide reports and queries.  The snort rules take a bit of tuning, they 
are a little overly sensitive out of the box.

Don't know about Debian packages, I'm on the other side of the fence :)


Tony and Robyn Lewis wrote:
> I am a paranoid bunny.  I want a tool that will sniff my internet-facing 
> interface, and store "flow" information (source/dest IP/port, time, 
> proto, packet/byte count).  Does such a beast exist as a debian package, 
> or any other package?
> I know there are lots of network monitoring stuff (been through 
> http://packages.debian.org/testing/net) but nothing that can do graphs 
> and/or reporting by that resolution.
> The nearest I can find is something like pmacct, or ulog-acctd, and 
> pumping that into a database/file and then having a web front end to 
> generate graphs.  But I'd love to find something already rolled.  
> flow-tools comes close if I can find something that will generate 
> netflow data.
> My underlying requirement is this: I use cacti, and it reported to me 
> last night that my upload was maxed out between around 3am to 6am.  I 
> don't know why.  I've checked the logs for the apps that operate on the 
> ports I have open, and nothing jumps out, and so I'm a little stumped 
> and curious/nervous.  Some monitoring tool like this would help.
> Tony Lewis

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