NAME - Simple TCP proxy for debugging connections


version 0.004


  $ 2300 localhost 23
  starting proxy on
  received connection from
   IN [<ff><fd>[CAN]<ff><fd> <ff><fd>#<ff><fd>']
  OUT [<ff><fb>[CAN]<ff><fb> <ff><fb>#<ff><fb>']
   IN [<ff><fa> [NUL]<ff><f0><ff><fa>#[NUL]<ff><f0><ff><fa>'[NUL]<ff><f0><ff><fa>[CAN][NUL]<ff><f0>]
  OUT [<ff><fa> <00>38400,38400<ff><f0><ff><fa>#<00>localhost:16.0<ff><f0><ff><fa>'<00><00>DISPLAY[NUL]localhost:16.0<ff><f0><ff><fa>[CAN]<00>xterm<ff><f0>]
   IN [<ff><fb>[STX]<ff><fd>[NUL]<ff><fd>[US]<ff><fb>[ENQ]<ff><fd>!]
  OUT [<ff><fd>[STX]<ff><fc>[NUL]<ff><fb>[US]<ff><fa>[US]<00>c<00>v<ff><f0><ff><fd>[ENQ]<ff><fb>!]
   IN [<ff><fb>[NUL]]
  OUT [<ff><fd>[NUL]]
   IN [Debian GNU/Linux 7[CR][LF]]
   IN [bigbird login: ]
  OUT [a]
   IN [a]
  OUT [t]
   IN [t]
  OUT [c]
   IN [c]
  OUT [[CR]<00>]
   IN [[CR][LF]]
   IN [Password: ]
  OUT [a]
  OUT [t]
  OUT [c]
  OUT [a]
  OUT [t]
  OUT [c]
  OUT [a]
  OUT [t]
  OUT [c]
  OUT [[CR]<00>]
   IN [[CR][LF]]
   IN [Last login: Fri Dec  5 01:58:51 CET 2014 from localhost on pts/7[CR][LF]Linux bigbird 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2+deb7u1 x86_64[CR][LF][CR][LF]The programs included with the Debian GNU/Linux system are free software;[CR][LF]the exact distribution terms for each program are described in the[CR][LF]individual files in /usr/share/doc/*/copyright.[CR][LF][CR][LF]Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent[CR][LF]permitted by applicable law.[CR][LF]]
   IN [[ESC]]0;atc@bigbird: ~[BEL]atc@bigbird:~$ ]
  OUT [[ETX]]
   IN [logout[CR][LF]]


A simple tcpproxy for analyzing traffic between a tcp client and a tcp server. Cyan colored data is hex value of the char at this position, while red colored data are the special control sequences at the beginning of the ASCII table.



  Join #vonbienenstock on Highlight Getty for fast reaction :).

  Pull request and additional contributors are welcome

Issue Tracker


Torsten Raudssus <>


This software is copyright (c) 2014 by Torsten Raudssus.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.