Is the MSN packets TOS field different then a regular web surfing packets ? If so you could block it by the TOS field. Michael. On Tue, 09 Dec 2003 14:13:40 -0300 Alexis <alexis@xxxxxxxxxxxx> wrote: > Hello, how can we block the use of the msn messenger with iptables? > > ive tried blocking dport 1863, but the client tries then port 80 , port > 443, and i cannot block those ports. > > Then ive blocked some networks of M$ but i had to remove the rules > because some people uses hotmail. > > Any help? (i think that packet inspection could see if the packet to > port 80 is a GET/POST or a different packet to mark.... but how can i do > this????) > > > any help?? > > Thanks in advance and best regards > > > -- > Alexis <alexis@xxxxxxxxxxxx> > > -- Michael Gale Network Administrator Utilitran Corporation
