[@ryu]12:53PM ~ > cat ~/bin/choke

#!/bin/bash
# change these values to suit your needs
ETHERNET_DEVICE="eth1"
LINK_SPEED="102400Kbit"
UPLOAD_SPEED="500Kbit"
PORT="80"

echo -n "Limiting poor bastards on port $PORT to $UPLOAD_SPEED..."

# delete previous root node
tc qdisc del dev $ETHERNET_DEVICE root

# create root node
tc qdisc add dev $ETHERNET_DEVICE root handle 1: htb default 11

# create LINK class
tc class add dev $ETHERNET_DEVICE parent 1: classid 1:1 htb rate $LINK_SPEED

# create our HTTP shaping class
tc class add dev $ETHERNET_DEVICE parent 1:1 classid 1:10 htb rate $UPLOAD_SPEED

# create our REST class for unutilized bandwidth
tc class add dev $ETHERNET_DEVICE parent 1:1 classid 1:11 htb rate $LINK_SPEED

# create the filter for the HTTP class, we filter on source port 80 (http)
tc filter add dev $ETHERNET_DEVICE protocol ip parent 1:0 prio 1 u32 match ip sport $PORT 0xffff flowid 1:10

echo "   [DONE]";