Brent Clark wrote: > HI all > > I just came across one of the threads on the LARTC. > In the thread it had this. > > So my question is, for the following rules, would these increase my > browsing / traffic, and if so, how. > Small packets and control pachets should have priority because they carry intrractive traffic. > iptables -t mangle -A PREROUTING -p tcp -m tcp --tcp-flags SYN,RST,ACK > ACK -m length --length 0:128 -j TOS --set-tos Minimize-Delay Large packets are for upload or download. They can wait until people open their html pages. Some p2p applications are ill-behaved and they send large control packets for carrying payloads. > iptables -t mangle -A PREROUTING -p tcp -m tcp --tcp-flags SYN,RST,ACK > ACK -m length --length 128: -j TOS --set-tos Maximize-Throughput Port 20 = ftp-data is the data channel in ftp transactions. We have file transfer in that channel. > iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 20 -j TOS > --set-tos Maximize-Throughput Port 21 - ftp is the ftp control channel. when you stop a transfer or acknoledge something you need the program to respond at your action very quick. > iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 21 -j TOS > --set-tos Minimize-Delay Port 22 - ssh: when you remotely manage a computer, and if you press a key on your keyboard, the letter must appear almost when you press the key. > iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 22 -j TOS > --set-tos Minimize-Delay Port 53 - domain: when someone is browsing the Internet and waits for a page to load, the Internet must translate quick the site address in the IP address, so the user waits less for the page to start to load. > iptables -t mangle -A PREROUTING -p udp -m udp --sport 53 -j TOS > --set-tos Maximize-Throughput Port 80 - http: this is from where the pages come and the requests for them go. The system must respond quickly (we have fast computers these days, don't we?) > iptables -t mangle -A PREROUTING -p tcp -m tcp --sport 80 -j TOS > --set-tos Maximize-Throughput ( I don't know this port and i am too lazy to open /etc/services) > iptables -t mangle -A PREROUTING -p udp -m udp --sport 123 -j TOS > --set-tos Minimize-Delay Where are https, irc, messengers... ? > > If someone would take the time to briefly explain this to me, I would be > most grateful. > > Kind Regards > Brent Clark > >
