Default port for Urbi engine is TCP port 54000.

Standard Header for a connection is :

*** **********************************************************
*** URBI Language specif 1.0 - Copyright (C) 2005-2008 Gostai SAS
*** URBI Kernel version 1.5 rev. 2bec015
***
***   URBI Engine version 1.5 rev. 1cf8ce9
***      (C) 2006-2007 Gostai SAS
***
*** URBI comes with ABSOLUTELY NO WARRANTY;
*** This software can be used under certain conditions;
*** see LICENSE file for details.
***
*** See http://www.urbiforge.com for news and updates.
*** **********************************************************
*** ID: U135518192