try blocking a certain destination.. ie i use scs.yahoo.com to connect to yahoo messenger, there may be more out there, but just drop any packets that may be trying to goto that destination. --- Voltaire Pascual <voltaire@xxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi there... got one newbie question here. Just > wondering how can i block yahoo messenger port using > IP tables in my box. Clients using YM is behind this > box. YM is using all possible ports even port 80. > > TIA > /Voltaire __________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. http://search.yahoo.com