On Thursday 22 January 2004 11:42, Ted Kaczmarek wrote: > If the daemon listens on port 25, then the connection will be destined > to it on port 25. yes . > So > Input chain allows destination port 25 > Output chain allows source port 25 OK. > Do you have a specific need for blocking all output packets? yes . security reason . i think if someone has succeded intrusion , i could block outgoing traffic , so that it would not be easy for him to manage it ... is it crazzy ? :-) -- Rakotomandimby Mihamina Andrianifaharana Tel : +33 2 38 76 43 65 http://stko.dyndns.info/site_principal/Members/mihamina