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Network Security Focus-IDS
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Re: IDS and Bandwidth

Subject: Re: IDS and Bandwidth
Date: Tue, 05 Jul 2005 20:02:43 -0400
Do you mean the type of unknown traffic that cannot be identified is consuming your bandwith. Most in-line IDS products do not consume bandwidth, in other words, whne you place an inline IDS within a particular network, you may introduce some latency when an IP packet is being analyzed and then if the packet is forwarded or dropped. If there is a complaint from your network team, you may want to invest some time in troubleshooting the type of traffic that is being observed on the various nodes of your network before pointing fingers at each other. NFR used to have a nice flowchart diagram that illustrated Network Intrusion Detection process..

/m

At 11:46 PM 7/4/2005, bhaskar.gupta@tcs.com wrote:
Dear frendz

I am working as an IDS operator in my company. Due to big size of the organisation, different IDS nodes are monitoring different centers through a central master node. Since there are lot of incidents ( including false positives ) generated across the organsation, there is a complaint from our networking team that IDS is consuming lot of bandwidth over networking

I am really not able to figure out how much IDS can eat up network bandwidth.

Please throw some light on this.

cheers, Bhaskar

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