Voici ce que j’obtiens (entre autres) avec un sudo iptables -L --line-numbers:
7 ACCEPT tcp – anywhere anywhere tcp dpt:xmpp-client
Qu’est ce qu’un “xmpp client”?
Merci.
ash@seal:~$ sudo apt-cache search xmpp
libnet-xmpp-perl - XMPP Perl library
python2.1-xmpp - Python library for communication with XMPP (Jabber) servers
python2.2-xmpp - Python library for communication with XMPP (Jabber) servers
idn - Command line and emacs interface to GNU libidn
jabber-irc - IRC transport for jabber
libidn11 - GNU libidn library, implementation of IETF IDN specifications
libidn11-dev - Development files GNU libidn, implementation of IETF IDN spec
libphp-jabber - Class.Jabber.PHP is an object oriented solution to make Jabber
python-pyxmpp - XMPP and Jabber implementation for Python
python-pyxmpp-doc - XMPP and Jabber implementation for Python (documentation)
python-xmpp - Python library for communication with XMPP (Jabber) servers
python2.3-pyxmpp - XMPP and Jabber implementation for Python
python2.3-xmpp - Python library for communication with XMPP (Jabber) servers
python2.4-pyxmpp - XMPP and Jabber implementation for Python
python2.4-xmpp - Python library for communication with XMPP (Jabber) servers
sendxmpp - commandline XMPP (jabber) utility
ejabberd - Distributed, fault-tolerant Jabber/XMPP server written in Erlang
libgloox-dbg - C++ jabber/xmpp library debug symbols
libgloox-dev - C++ jabber/xmpp library devel files
libgloox-doc - C++ jabber/xmpp library API documentation
libgloox0 - C++ jabber/xmpp library
libxmpp4r-ruby - XMPP/Jabber library for Ruby (dummy package)
libxmpp4r-ruby1.8 - XMPP/Jabber library for Ruby
libxmpp4r-ruby1.8-dev - Development data for XMPP4R (libxmpp4r-ruby)
Je dirais un client pour Jabber 
Merci 
Sinon vous connaissez un client qui permettrait de faire du MSN sous Linux (à priori jabber ne le fait pas).
Thks
aMSN,Gaim, koepte (ou un tru comme ca)
quand tu cherche un soft utilise
apt-cache search msn 
Ca roule, merci