I've recently become familiar with the Layer 7 Filter project, and it's ability to classify protocols is quite interesting.

All of the information about its use, however, concerns using the filters to do queueing in real-time in order to implement bandwidth management/QOS. What I'm interested in is using the filters to classify traffic that I've already captured in pcap format.

Comments, hints, experiences, references, or wtfs, welcome.

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tcpreplay wireplay preplay

There are a bunch of packages that do tcp replay of pcap files.

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Sorry for the late accept, this is a great idea, though I'll have to do this from a machine off-network to prevent network from having to deal with the now-irrelevant traffic. – Cory J Jul 27 '10 at 19:31
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