FLOW-PRINT(1)

💖 flow-print — a whole manual, but make it cute 💖

okay bestie, listen. this is flow-print, and it lives in section 1 of the manual (that's the "commands you actually type" section, iykyk). it's giving flow-tools energy, and it's here to make your flow data look ✨pretty✨ in plain ASCII. let's go. 🦋

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✨ NAME ✨

flow-print — display flows in formatted ASCII. no cap, that's literally the whole job. 💅

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🌸 SYNOPSIS 🌸

flow-print [ -hlnpw ]  [ -d debug_level ]  [ -f format ]

look at her. so compact. so slay. ⭐

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🎀 DESCRIPTION 🎀

the flow-print utility will display flow data in ASCII using pre-defined formats selectable with -f. that's the whole vibe: you feed her flows, she gives you a table. obsessed. 🫶

some of the less descriptive column headers are defined below, because ngl a few of these are giving cryptic. 🙈

• Sif — Source Interface ifIndex.
• DiF — Destination Interface ifIndex.
• Pr — Protocol.
• P — Protocol.
• SrcP — Source Port.
• DstP — Destination Port.
• Pkts — Packets.
• Octets — Octets (Bytes).
• Active — Time in ms the flow was active.
• B/Pk — Bytes per Packet.
• Ts — Type of Service.
• Fl — Flags, for TCP the cumulative or of the TCP control bits.
• srcAS — Source AS.
• dstAS — Destination AS.
• Start — Start time of the flow.
• End — End time of the flow.
• router_sc — V7 IP address of router producing shorcuts.
• peer_nexthop — V6 IP address of peer next hop IP address.
• encap i/o — Version 6 only. Encapsulation size in/out
• duration — Time in ms the flow was active.
• input — Input Interface ifIndex.
• output — Output Interface ifIndex.
• flows — Number of aggregated flows.
• mTos — V8.x ToS of pkts that exceeded the contract.
• xpackets — V8.x Packets that exceed the contract.

main character reference sheet tbh. 📋✨

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💅 OPTIONS 💅

• -d debug_level — Enable debugging. (turn on the little detective hat 🔍)
• -f format — Select format. The default is appropriate for the export type of the flow data. Available formats are:
  • 0 — 1 line, interfaces, hex ports
  • 1 — 2 line (includes timing and flags)
  • 2 — 2 line candidate TCP syn attack flows
  • 3 — 1 line, no interfaces, decimal ports
  • 4 — 1 line with AS number
  • 5 — 1 line, 132 column
  • 6 — show ip accounting emulation
  • 7 — 1 line, 132 column +router_id
  • 8 — 1 line, 132 column +encapsulation
  • 9 — 1 line with tag values
  • 10 — AS aggregation
  • 11 — Protocol Port aggregation
  • 12 — Source Prefix aggregation
  • 13 — Destination Prefix aggregation
  • 14 — Prefix aggregation
  • 15 — Destination aggregation (Catalyst)
  • 16 — Source Destination aggregation (Catalyst)
  • 17 — Full Flow (Catalyst)
  • 18 — ToS AS Aggregation
  • 19 — ToS Proto Port aggregation
  • 20 — ToS Source Prefix aggregation
  • 21 — ToS Destination Prefix aggregation
  • 22 — ToS Prefix Aggregation
  • 23 — ToS Prefix Port aggregation
  • 24 — Full (Catalyst)

twenty-five formats. TWENTY-FIVE. she's versatile, she contains multitudes, she ate and left no crumbs. 🔥

• -h — Display help. (she's helpful AND hot 💁)
• -l — Unbuffer output.
• -n — Use symbolic names where appropriate.
• -p — Display header information.
• -w — Wide output.

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🌈 EXAMPLES 🌈

display flows in flowfile:

flow-print < flowfile

that's it. that's the whole thing. redirect and go, bestie. 🧚

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🍓 FILES 🍓

configuration files: Symbols - /etc/flow-tools/sym/*.

(yes, the star is a glob. she's flexible. ✨)

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💀 BUGS 💀

None known.

literally flawless. not me being suspicious about that but okay, we move. 👑

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🎀 AUTHOR 🎀

Mark Fullmer <maf@splintered.net>

the icon. the legend. the moment. 🫶

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⭐ SEE ALSO ⭐

flow-tools(1)

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and that's the whole page, babe. this one's from flow-tools, and the footer date on the original is 26 Август 2010 — so yeah, vintage, but she still serves. 💖