TCPCAPINFO(1)

📦
version 4.6.2 · 7 versions
, in alpine 3.24, arch rolling, epel 10, epel 9, fedora 43, fedora 44, nixpkgs unstable

💖 TCPCAPINFO 💖

okay so bestie, welcome to tcpcapinfo — it's a manual page, it lives in the Tcpreplay Suite, and honestly? it's giving forensic girlie. let's get into it 🎀

✨ NAME ✨

tcpcapinfo — a pcap file dissector, for when you're debugging broken pcap files 🦋

✨ SYNOPSIS ✨

tcpcapinfo [OPTION]... <pcap_file(s)>

✨ DESCRIPTION ✨

so tcpcapinfo is literally a tool for decoding the structure of a pcap(3) file. its whole main character energy is focused on finding broken pcap files and figuring out how two related pcap files might differ from each other 👀

the way it works: first it prints out the pcap_file_header_t in human readable form, and then it hits you with a per-packet summary that includes the pcap_pkthdr_t plus a simple checksum value of the packet. no cap, that's the whole vibe check. 💅

✨ OPTIONS ✨

  • -d, --dbug=number — turn on debugging output. Range: 0 to 5. Default: 0.

if it was configured with --enable-debug, then you get to specify a verbosity level for the debugging output. higher numbers = more verbosity. so like, crank it up if you're nosy 🍓

  • -V, --version — print version information. slay.
  • -H, --help — display usage information and exit. iconic.
  • --more-help — pass the extended usage information through a pager. for when you want the full lore 📜

✨ EXIT STATUS ✨

one of these exit values is gonna be returned, bestie:

  • 0 (EXIT_SUCCESS) — successful program execution. we ate. 🔥
  • 1 (EXIT_FAILURE) — the operation failed, or the command syntax was not valid. it's not giving. 😭
  • 70 (EX_SOFTWARE) — libopts had an internal operational error. please report it to autogen-users@lists.sourceforge.net. thank you 🫶

✨ AUTHORS ✨

Copyright 2000-2012 Aaron Turner

Copyright 2013 Fred Klassen - AppNeta by Broadcom

for support please use the tcpreplay-users@lists.sourceforge.net mailing list 💌

the latest version of this software is always available from: http://tcpreplay.appneta.com/

Copyright © 2000-2012 Aaron Turner and Fred Klassen, all rights reserved. this program is released under the terms of the GNU General Public License, version 3 or later. 📝

✨ BUGS ✨

please send bug reports to: tcpreplay-users@lists.sourceforge.net 🐛

✨ NOTES ✨

this manual page was generated from the tcpcapinfo option definitions. yep, it's autogenerated, don't come for her 🙈

Tcpreplay Suite · 2026-07-29

and that's the whole page bestie, mwah 💋 generated with love (and option definitions) on 2026-07-29, part of the Tcpreplay Suite 👑

📦 where this page comes from