Can you please comment on what is best solution for storing network traffic.
Well, "best" is kind of a hard word to use here. There are lots of different solutions depending on exactly why and where you want to capture this. As far as I know, there are really two credible companies who are thrashing it out in this space right now, NetWitness (now part of RSA) and Solera. I think that Niksun is still out there, but they haven't done much recently or maybe they just concentrate on particular sectors and so I never see them. Of course, you can also just tcpdump it yourself, but the commercial products do a lot of the metadata analysis and creation for you, so it's a lot easier to understand what is happening in your traffic than just having piles of tcpdumps. I bought a NetWitness box and was profoundly unimpressed. So I guess my advice would be to start with Solera and then look at NetWitness if you don't like Solera. This assumes you have budget. If this is a back-of-the-envelope "hey, let's grab some packets and do something with them" kind of exercise, then filter your tcpdumps a lot better. jms -- Joel M Snyder, 1404 East Lind Road, Tucson, AZ, 85719 Senior Partner, Opus One Phone: +1 520 324 0494 jms@Opus1.COM http://www.opus1.com/jms
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Joel M Snyder