--- Michael Gale <michael.gale@xxxxxxxxxxxxx> wrote: > Hello, > > Netfilter is a packet level firewall option, for security you should be > using > multiple levels. Which means adding more layers, use iptables for packet > filtering and then: > > Exampels: > > Squid for http application level filtering > Frox for FTP application level filtering > > For https allow connections to only required servers. > > > Michael. > > > > > On Thu, 10 Jun 2004 14:37:43 -0700 (PDT) > SBlaze <dagent.geo@xxxxxxxxx> wrote: > > > I guess, blocking ports or defining ports to be allowed to users is not > > enough. Users are clever and smart from day to day. Once the originial and > > standard ports blocked by administrator, they use port forwarding sometimes > > > to some kind of hosting server or dedicated server, and they still able to > do > > music streaming. > > > > If you checkout the greatest site, let say www.shoutcast.com, u can see > lots > > of stations use port 80, it means connecting to radio stations would be the > > > same as clients surfing to the web. > > > > I'm still thinking patch-o-matic STRING would be the best solustion for now > .. > > > > Regards, > > Rio Martin. > > > > Perhaps you missed the rest of my post? I only pointed out the yahoo > support > > page as a starting point. I wouldn't attack this from a port point of view > > becuase that method would be hit and miss. Find where the music comes from > and > > block the ranges it comes from. I stated examples of this with the Yahoo > > LaunchCAST streaming protocol. I don't know the structure of your network > so > > it is hard for me to say how to find the culprits. I also used a packet > > sniffer on my network to find where the service was originalting. Stopping > > shoutcast maybe a bit more difficult... I'll look into that as well... > > > > ===== > > In the absence of order there will be chaos. > > > > > > > > > > __________________________________ > > Do you Yahoo!? > > Friends. Fun. Try the all-new Yahoo! Messenger. > > http://messenger.yahoo.com/ > > > > Well me personally I don't have the resources for squid... I can't speak for Rio though. Perhaps he should check here. http://www.squid-cache.org/Doc/FAQ/FAQ-3.html#ss3.1 My set up is only a Dual Pentium Pro 200 with one IDE 80GB drive(UDMA 66) w 128MB EDO RAM ===== In the absence of order there will be chaos. __________________________________ Do you Yahoo!? Friends. Fun. Try the all-new Yahoo! Messenger. http://messenger.yahoo.com/