PF_Ring and ntop

["Miller, Mike" <Mike.J.Miller () ihs com>]

Im muddling through the documentation for PF_Ring and am making some headway, but am wondering about how things work 
these daysIve got HP DL380G8 servers with intel NICs and Im pretty sure Ive got PF_Ring compiled and loaded correctly. 
TCPdump in the userland tree works better than the TCPdump in the search path, and zcount in the examples_zc folder 
works.

 

I know theres different levels of performance improvement to be had in using PF_Ring, PF_Ring DAQ, libzero and PF_Ring 
ZC, Im just not sure whats available without purchasing the license from the ntop folks (which Id like to do, but my 
purse strings have been cut)

 

What I really need is the ability to us the ring buffer features to run multiple snort threads, a Single snort instance 
is easily capping out a single thread, but the 1g nic is only running around 25% utilization. (and snorts using 7400 
rules)

 

 

PLEASE NOTE EMAIL, ADDRESS  THERE ARE MULTIPLE MIKE MILLERS AT IHS!

ihs.com <http://www.ihs.com/> 

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Mike J. Miller 
Principal Engineer 
Computer Security Incident Response Team 
15 Inverness Way East | Englewood, Co 80112 
Phone: 303-858-6927 | Mobile: 720-326-1542 
mike.j.miller () ihs com <mailto:mike.j.miller () ihs com>  

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