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23 lines
1.1 KiB
Plaintext
23 lines
1.1 KiB
Plaintext
Tcpreplay is aimed at testing the performance of a Network Intrusion Detection
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System by replaying real background network traffic in which to hide attacks.
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Tcpreplay allows you to control the speed at which the traffic is replayed,
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and can replay arbitrary libpcap traces.
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Unlike programmatically-generated artificial traffic which doesn't exercise
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the application/protocol inspection that a NIDS performs, and doesn't
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reproduce the real-world anomalies that appear on production networks
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(asymmetric routes, traffic bursts/lulls, fragmentation, retransmissions,
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etc.), tcpreplay allows for exact replication of real traffic seen on real
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networks.
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Tcpprep is tcpreplay with patches can send traffic out two network cards,
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however it requires the calculations be done in real-time. These calculations
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can be expensive and can significantly reduce the throughput of tcpreplay.
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tcpprep is a libpcap pre-processor for tcpreplay which enables this
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feature in tcpreplay, and significantly increases throughput through
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the use of a cache file.
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WWW: http://synfin.net/aturner/tcpreplay/
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