Ops, There's a typo in the MSN port. MSN port is 1863. iptables -I FORWARD -o ppp0 -s IpOfClient -p tcp --dport 1863 -j REJECT Regards, Alejandro > Hi, > > If you are running a route/firewall then you have to do things in > FORWARD that is... > > ## Droping all yahoo related ports voice, messaging, gaming > iptables -I FORWARD -o ppp0 -s IpOfClient -p tcp -m multiport --dport > 5000,5001,5100,5050,11999 -j DROP > > # Replace -o ppp0 with your out interface, if you have different then ppp0 > for example -o eth0 > > ##Droping MSN packets > iptables -I FORWARD -o ppp0 -s IpOfClient -p tcp --dport 1836 > > However if you are doing some transparent proxing, for example if you > are running squid on the same machine that is the firewall/router > machine then replace FORWARD with OUTPUT > > iptables -I OUTPUT -o ppp0 -s IpOfClient -p tcp -m multiport --dport > 5000,5001,5100,5050,11999 -j DROP > > ##Droping MSN packets > iptables -I OUTPUT -o ppp0 -s IpOfClient -p tcp --dport 1836 > > Regards > Askar > > On Thu, 5 Aug 2004 07:07:38 +0100 (BST), Sameer Gurung > <sameersworld@xxxxxxxxxxx> wrote: > > IS there a way i can block yahoo chat and instant > > messenger and msn from only specific clients from the > > network..... the clients get their ip address from a > > dhcp server.... > > Any help would be appreciated > > > > ===== > > > > > > ________________________________________________________________________ > > Yahoo! India Matrimony: Find your life partner online > > Go to: http://yahoo.shaadi.com/india-matrimony > > > > >