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sica-fondt/knowledge/cyber-skills/skills/analyzing-network-flow-data-with-netflow/references/api-reference.md
Claude 24f816b6a3
Consolidate 22 sibling repos into layered organism structure 
Place useful parts of the surrounding repos into sica-fondt by layer, per the
body model (Ada = membrane; brain/endocrine/capabilities/knowledge non-Ada):

- brain/        LLM reasoning + providers (dapr, hermes, MoMoA)
- capabilities/ REPRAG sidecars: hermes tools/skills, dapr tools, parallel
                dispatch, A51 channels, and the OSINT cluster
- knowledge/    LORAG corpus: 754 cyber-skills, agency personas, secure-coding,
                MITRE ATT&CK data
- reference/    defensive threat-reference (C3, shhbruh doc) + AdaYaml parser

License handling: AGPL sources (worldosint, advanced_evolution, mercury,
Reticulum) and GPL DeTTECT are SPEC-only clean-room/port descriptions — no
copyleft code copied. MIT/Apache/data parts copied as working trees.

Safety: shhbruh escape/persistence material and C3 covert-C2 kept as reference
only, not wired into the running organism. See CONSOLIDATION.md.

https://claude.ai/code/session_01UehUqEXXJJCsHoA4voCU5c
2026-06-10 06:53:01 +00:00

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API Reference: NetFlow v9/IPFIX Analysis

Python netflow Library

import netflow
# Parse a raw NetFlow packet
packet, templates = netflow.parse_packet(raw_bytes, templates={})
# templates must persist between calls for v9/IPFIX
for flow in packet.flows:
    flow.IPV4_SRC_ADDR  # Source IP
    flow.IPV4_DST_ADDR  # Destination IP
    flow.L4_SRC_PORT    # Source port
    flow.L4_DST_PORT    # Destination port
    flow.PROTOCOL       # IP protocol (6=TCP, 17=UDP)
    flow.IN_BYTES       # Bytes transferred
    flow.IN_PKTS        # Packet count
    flow.TCP_FLAGS      # TCP flags bitmask
    flow.FIRST_SWITCHED # Flow start time
    flow.LAST_SWITCHED  # Flow end time

CLI Tools

python -m netflow.collector -p 9995 -D /tmp/flows  # Collector
python -m netflow.analyzer -f /tmp/flows/*.json     # Analyzer

NetFlow v9 Field Types

Field ID Description
IN_BYTES 1 Input bytes
IN_PKTS 2 Input packets
PROTOCOL 4 IP protocol
L4_SRC_PORT 7 Source port
IPV4_SRC_ADDR 8 Source IPv4
L4_DST_PORT 11 Destination port
IPV4_DST_ADDR 12 Destination IPv4
TCP_FLAGS 6 TCP flags
FIRST_SWITCHED 22 Flow start sysUpTime
LAST_SWITCHED 21 Flow end sysUpTime

Detection Algorithms

Pattern Method Threshold
Port scan Unique dst_ports per src-dst pair >20 ports
Network sweep Unique dst_ips per source >50 hosts
Exfiltration Total bytes per src-dst pair >100MB
C2 beaconing Interval jitter ratio <0.15