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ReadMe.txt
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ReadMe.txt
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The CICFlowMeter is an open source tool that generates Biflows from pcap files, and extracts features from these flows.
CICFlowMeter is a network traffic flow generator available from here . It can be used to generate bidirectional flows, where the first packet determines the forward (source to destination) and backward (destination to source) directions, hence the statistical time-related features can be calculated separately in the forward and backward directions. Additional functionalities include, selecting features from the list of existing features, adding new features, and controlling the duration of flow timeout.
NOTE: TCP flows are usually terminated upon connection teardown (by FIN packet) while UDP flows are terminated by a flow timeout. The flow timeout value can be assigned arbitrarily by the individual scheme e.g., 600 seconds for both TCP and UDP.
For citation in your works and also understanding CICFlowMeter (formerly ISCXFlowMeter) completely, you can find below published papers:
Arash Habibi Lashkari, Gerard Draper-Gil, Mohammad Saiful Islam Mamun and Ali A. Ghorbani, "Characterization of Tor Traffic Using Time Based Features", In the proceeding of the 3rd International Conference on Information System Security and Privacy, SCITEPRESS, Porto, Portugal, 2017
Gerard Drapper Gil, Arash Habibi Lashkari, Mohammad Mamun, Ali A. Ghorbani, "Characterization of Encrypted and VPN Traffic Using Time-Related Features", In Proceedings of the 2nd International Conference on Information Systems Security and Privacy(ICISSP 2016) , pages 407-414, Rome , Italy
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List of extracted features and descriptions:
Feature Name Description
Flow duration Duration of the flow in Microsecond
total Fwd Packet Total packets in the forward direction
total Bwd packets Total packets in the backward direction
total Length of Fwd Packet Total size of packet in forward direction
total Length of Bwd Packet Total size of packet in backward direction
Fwd Packet Length Min Minimum size of packet in forward direction
Fwd Packet Length Max Maximum size of packet in forward direction
Fwd Packet Length Mean Mean size of packet in forward direction
Fwd Packet Length Std Standard deviation size of packet in forward direction
Bwd Packet Length Min Minimum size of packet in backward direction
Bwd Packet Length Max Maximum size of packet in backward direction
Bwd Packet Length Mean Mean size of packet in backward direction
Bwd Packet Length Std Standard deviation size of packet in backward direction
Flow Bytes/s Number of flow bytes per second
Flow Packets/s Number of flow packets per second
Flow IAT Mean Mean time between two packets sent in the flow
Flow IAT Std Standard deviation time between two packets sent in the flow
Flow IAT Max Maximum time between two packets sent in the flow
Flow IAT Min Minimum time between two packets sent in the flow
Fwd IAT Min Minimum time between two packets sent in the forward direction
Fwd IAT Max Maximum time between two packets sent in the forward direction
Fwd IAT Mean Mean time between two packets sent in the forward direction
Fwd IAT Std Standard deviation time between two packets sent in the forward direction
Fwd IAT Total Total time between two packets sent in the forward direction
Bwd IAT Min Minimum time between two packets sent in the backward direction
Bwd IAT Max Maximum time between two packets sent in the backward direction
Bwd IAT Mean Mean time between two packets sent in the backward direction
Bwd IAT Std Standard deviation time between two packets sent in the backward direction
Bwd IAT Total Total time between two packets sent in the backward direction
Fwd PSH flags Number of times the PSH flag was set in packets travelling in the forward direction (0 for UDP)
Bwd PSH Flags Number of times the PSH flag was set in packets travelling in the backward direction (0 for UDP)
Fwd URG Flags Number of times the URG flag was set in packets travelling in the forward direction (0 for UDP)
Bwd URG Flags Number of times the URG flag was set in packets travelling in the backward direction (0 for UDP)
Fwd Header Length Total bytes used for headers in the forward direction
Bwd Header Length Total bytes used for headers in the backward direction
FWD Packets/s Number of forward packets per second
Bwd Packets/s Number of backward packets per second
Packet Length Min Minimum length of a packet
Packet Length Max Maximum length of a packet
Packet Length Mean Mean length of a packet
Packet Length Std Standard deviation length of a packet
Packet Length Variance Variance length of a packet
FIN Flag Count Number of packets with FIN
SYN Flag Count Number of packets with SYN
RST Flag Count Number of packets with RST
PSH Flag Count Number of packets with PUSH
ACK Flag Count Number of packets with ACK
URG Flag Count Number of packets with URG
CWR Flag Count Number of packets with CWR
ECE Flag Count Number of packets with ECE
down/Up Ratio Download and upload ratio
Average Packet Size Average size of packet
Fwd Segment Size Avg Average size observed in the forward direction
Bwd Segment Size Avg Average number of bytes bulk rate in the backward direction
Fwd Bytes/Bulk Avg Average number of bytes bulk rate in the forward direction
Fwd Packet/Bulk Avg Average number of packets bulk rate in the forward direction
Fwd Bulk Rate Avg Average number of bulk rate in the forward direction
Bwd Bytes/Bulk Avg Average number of bytes bulk rate in the backward direction
Bwd Packet/Bulk Avg Average number of packets bulk rate in the backward direction
Bwd Bulk Rate Avg Average number of bulk rate in the backward direction
Subflow Fwd Packets The average number of packets in a sub flow in the forward direction
Subflow Fwd Bytes The average number of bytes in a sub flow in the forward direction
Subflow Bwd Packets The average number of packets in a sub flow in the backward direction
Subflow Bwd Bytes The average number of bytes in a sub flow in the backward direction
Fwd Init Win bytes The total number of bytes sent in initial window in the forward direction
Bwd Init Win bytes The total number of bytes sent in initial window in the backward direction
Fwd Act Data Pkts Count of packets with at least 1 byte of TCP data payload in the forward direction
Fwd Seg Size Min Minimum segment size observed in the forward direction
Active Min Minimum time a flow was active before becoming idle
Active Mean Mean time a flow was active before becoming idle
Active Max Maximum time a flow was active before becoming idle
Active Std Standard deviation time a flow was active before becoming idle
Idle Min Minimum time a flow was idle before becoming active
Idle Mean Mean time a flow was idle before becoming active
Idle Max Maximum time a flow was idle before becoming active
Idle Std Standard deviation time a flow was idle before becoming active
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