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docs/api.md

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The flow-based aggregation consists of aggregating packets into flows based on a shared set of characteristics
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(flow key, e.g., source IP address, destination IP address, transport protocol, source port, destination port,
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VLAN identifier). A flow cache maintains each flow entry until its termination (e.g., active timeout, inactive timeout).
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VLAN identifier, tunnel Identifier). A flow cache maintains each flow entry until its termination (e.g., active timeout, inactive timeout).
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While the entry is present in the flow cache, basic counters, and several metrics are updated.
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If two pairs generate flows on both directions, the flow cache uses a bidirectional flow definition, adding counters
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and metrics for both directions.
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### NFStreamer attributes
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| `source` | `[default=None]` | Packet capture source. Pcap file path or network interface name. |
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| `decode_tunnels` | `[default=True]` | Enable/Disable GTP/TZSP tunnels decoding. |
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| `decode_tunnels` | `[default=True]` | Enable/Disable GTP/CAPWAP/TZSP tunnels decoding. |
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| `bpf_filter` | `[default=None]` | Specify a [BPF filter][bpf] filter for filtering selected traffic. |
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| `promiscuous_mode` | `[default=True]` | Enable/Disable promiscuous capture mode. |
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| `snapshot_length` | `[default=1536]` | Control packet slicing size (truncation) in bytes. |
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| `dst2src_packets` | `int` | Flow dst2src packets accumulator. |
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| `dst2src_bytes` | `int` | Flow dst2src bytes accumulator (depends on accounting_mode). |
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#### Tunnel Decoding Features (decode_tunnels=True)
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| `tunnel_id` | `int` | Tunnel identifier (O: No Tunnel, 1: GTP, 2: CAPWAP, 3: TZSP). |
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#### NFlow Layer-7 Visibility Features (n_dissections>0)
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| `application_name` | `str` | nDPI detected application name. |
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| `psh` | `bool` | TCP PSH Flag present. |
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| `rst` | `bool` | TCP RST Flag present. |
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| `fin` | `bool` | TCP FIN Flag present. |
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| `tunnel_id` | `int` | Tunnel identifier (O: No Tunnel, 1: GTP, 2: CAPWAP, 3: TZSP). |
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### NFPlugins Examples
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docs/releases.md

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- GitHub page: <https://github.com/aouinizied/nfstream>{:target="_blank"}
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## Latest Official Release - v6.2.3
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## Latest Official Release - v6.3.0
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Release date: 2020-11-15 {% include new-release.html %}
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Release date: 2020-04-21 {% include new-release.html %}
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* Implement tunnel_id extraction.
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## v6.2.6
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Release date: 2021-04-14
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* Add support for pcapng format.
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* Add pypy3.7 support.
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* Improve errors handling.
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* nDPI update and minor fixes.
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## v6.2.5
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Release date: 2020-11-27
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* Patch for minimal truncated UDP raw pcap handling.
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## v6.2.4
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Release date: 2020-11-23
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* Minor fixes (csv and pandas interfaces).
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* nDPI maintenance update.
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## v6.2.3
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Release date: 2020-11-15
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* Patch fixing BPF filtering on live interface.
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index.html

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</div>
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<div class="lp-footer-section lp-footer-copyright">
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<img src="{{ site.baseurl }}{{ site.logo_source }}" width="{{ site.logo_width }}" height="57" >
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<p>Copyright © {{ site.time | date: '%Y' }} NFStream Developers</p>
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<p>Copyright © 2021 NFStream Developers</p>
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</div>
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</footer>
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</div>

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