    # Set telnet, www, smtp, pop3 and FTP for minimum delay 
    for port in 21 22 23 25 80 110
    do
        /sbin/iptables --table mangle --append OUTPUT \
	    --protocol tcp --dport $port \
	    -j TOS --set-tos Minimize-Delay
    done

    # Set ftp-data for maximum throughput
    /sbin/iptables --table mangle --append OUTPUT \
	    --protocol tcp --dport 20 \
	    -j TOS --set-tos Maximize-Throughput
