root@serwer:/etc$iptables -L FORWARD -nv
Chain FORWARD (policy DROP 40 packets, 21414 bytes)
 pkts bytes target     prot opt in     out     source               destination
 873K  493M mrtg_traffic  all  --  *      *       0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     all  --  *      lo      0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     all  --  eth0   *       0.0.0.0/0            0.0.0.0/0

 -A FORWARD -j mrtg_traffic

#!/bin/bash

iptables -L mrtg_traffic -v -x -n | grep " $1 " | head -1 | awk '{print $2}'
iptables -L mrtg_traffic -v -x -n | grep " $1 " | tail -1 | awk '{print $2}'
echo `uptime`
echo `hostname `

#!/bin/bash


mrtg_stop () {
    for i in `cat /etc/mrtg/ipki.txt`; do
        iptables -D mrtg_traffic -d $i -j RETURN 2>/dev/null
        iptables -D mrtg_traffic -s $i -j RETURN 2>/dev/null
    done
    iptables -D FORWARD -j mrtg_traffic 2>/dev/null
    iptables -X mrtg_traffic 2>/dev/null
    killall mrtg.run 2>/dev/null
    killall mrtg 2>/dev/null
}


mrtg_start () {
    iptables -N mrtg_traffic
    for i in `cat /etc/mrtg/ipki.txt`; do
        iptables -A mrtg_traffic -d $i -j RETURN;
        iptables -A mrtg_traffic -s $i -j RETURN;
    done
    iptables -I FORWARD -j mrtg_traffic
    /etc/mrtg/mrtg.run &
}

case "$1" in
    'start' ) mrtg_start;;
    'stop' ) mrtg_stop;;
    'restart' ) mrtg_stop;mrtg_start;;
    * ) echo "Uzyj: $0 {start|stop|restart}"
esac