You can find a good explanation an examples here: http://iptables-tutorial.frozentux.net/iptables-tutorial.html Jorge Dávila. El sáb, 28-01-2006 a las 21:31 -0300, Leonardo Rodrigues Magalhães escribió: > Hello People, > > In normal situations, which would be the flags for SYN packets and > FIN packets of a tcp stream ?? I'm thinking of, in some few ports, log > the beggining of the connection (SYN) and the end of the connection > (FIN). I also know I should treat RST packets, because in problems > situations i will never see FIN. > > So, can you point me what tcp-flag combinations to look for ? > > Thanks for the answers and for the attention. > -- ----------------------------------------------------------------- Jorge Isaac Davila Lopez - sitio web: http://www.nicaraguaopensource.com/ correo-e: davila@xxxxxxxxxxxxxxx -----------------------------------------------------------------