Snort mailing list archives
RE: Snort and high performance networks
From: SN ORT <snort_on_acid () yahoo com>
Date: Fri, 21 May 2004 11:14:17 -0700 (PDT)
Are you guys ACTUALLY running traffic at 800Mbps or even 2-3 Gbps? I mean what application or server process that much data on the line? This dood stated he had an OC-whatever pumping 30Gbps, and Chad asked a very appropriate question as to how on earth anyone would Snort that line short of buying a machine with an OC-3 $$ (CHA-CHING!) interface stuck in it. Most people would use Sniffer with a WAN interface and network fiber taps to get "quick snapshots". Back to the 3-4Gbps line, you have 10Gbps interfaces deployed already? How exactly are you seeing 3-4Gbps traffic, and is it steady and what applications use that? I mean most switches see that kind of total backbone traffic and you can actually use switch-based IDS (like the one from Cisco)...unless of course you have a 10Gbps backbone, but to where does that much traffic travel? Cheese! Marc
--__--__-- Message: 1 From: "Rafael Ortega" <rafael.ortega () telecarrier com> To: <snort-users () lists sourceforge net> Subject: RE: [Snort-users] Snort and high performance networks Date: Fri, 21 May 2004 08:25:47 -0500 Hello, All I'm currently snorting close to 800Mbps with no problem. What to do with the amount of info, is another story. I tried ACID, but after 24 hours and 700,000 events registered, the data base becomes too slow, even after indexing certain reference fields. I've taken to log into syslog in a separate file, and use snortalog nightly to generate reports from it. I still use Barnyard/ACID, but clean the database every 24 hours. I use it mostly to get quick snapshots of current events. I'm waiting for the company's DB people to give me a hand. Maybe migrate from Mysql to something more efficient or update the hardware (Sun Netra T1 with 512MB RAM doing only the DB). The sniffer is an Intel Xeon 2.4GHz with 1GB RAM running only snort and barnyard. -----Original Message----- From: snort-users-admin () lists sourceforge net [mailto:snort-users-admin () lists sourceforge net]On Behalf Of Kreimendahl, Chad J Sent: jueves, 20 de mayo de 2004 13:12 To: Christopher Rapier Cc: snort-users () lists sourceforge net Subject: RE: [Snort-users] Snort and high performance networks FWIW... I've got systems that are easily handling between 3-4Gbps each. That's partially hardware, partially OS, and a little tiny config work. Very near to all rules enabled on these interfaces, as well as all of the preprocessors (minus the broken ones), and a database output plugin. 0 dropped packets. If you check the archives for this list, you'll find discussions about kernels that can do polling against network devices, and how this enhances snort performance on high speed links (network performance in general, really). I believe I mention the OSes, maybe some config info and hardware used. If it's of any value, the machine I'm talking about above (handling3Gbps) cost around $2500 (not sure if that'sretail). -----Original Message----- From: Christopher Rapier [mailto:rapier () psc edu] Sent: Thursday, May 20, 2004 11:32 AM Cc: snort-users () lists sourceforge net Subject: Re: [Snort-users] Snort and high performance networks On May 20, 2004, at 11:45 AM, Kreimendahl, Chad J wrote:Well, I'm sure there is a system out there thatcan handle this, but myquestion would be: How in the world do you expectto get a 30GBpsconnection pumped to unix/win machine?
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Current thread:
- RE: Snort and high performance networks, (continued)
- RE: Snort and high performance networks Kreimendahl, Chad J (May 20)
- Re: Snort and high performance networks Chris Rapier (May 20)
- RE: Snort and high performance networks Rafael Ortega (Jun 01)
- RE: Snort and high performance networks Kreimendahl, Chad J (May 20)
- RE: Snort and high performance networks Rafael Ortega (May 21)
- Re: Snort and high performance networks Jason Haar (May 23)
- RE: Snort and high performance networks snort user (May 21)
- Re: Snort and high performance networks Christopher Rapier (May 21)
- RE: Snort and high performance networks Rafael Ortega (May 21)
- Re: Snort and high performance networks snort user (May 21)
- RE: Snort and high performance networks SN ORT (May 21)
- RE: Snort and high performance networks Kreimendahl, Chad J (May 21)
- Re: Snort and high performance networks Aaron (May 24)
- High Speed Network Cards + rules? Adriel T. Desautels (May 24)
- Re: High Speed Network Cards + rules? Keith W. McCammon (May 24)
- Re: High Speed Network Cards + rules? Christopher Rapier (May 24)
- Re: High Speed Network Cards + rules? Matt Kettler (May 24)
- Re: High Speed Network Cards + rules? James Riden (May 24)
- Re: High Speed Network Cards + rules? James Riden (May 25)
- High Speed Network Cards + rules? Adriel T. Desautels (May 24)
- RE: Snort and high performance networks Kreimendahl, Chad J (May 20)
- Re: High Speed Network Cards + rules? Tod Beardsley (May 24)