#!/bin/bash
res=`awk 'BEGIN{print strftime("%Y-%m-%d",systime())}'`
mv -f /var/log/conntrack/conntrack.log /var/log/conntrack/${res}-conntrack.log
find /var/log/conntrack/20*.log -type f -mtime +7 -exec rm -f {} \;
check=`ps aux | grep -v grep | grep 'conntrack -E'`

if [ -n "$check" ];then
	    check_pid=`echo $check | awk -F' ' '{print $2}'`
	        kill -9 "$check_pid" && echo 1 > /dev/null
fi
nohup conntrack -E conntrack -e NEW | stdbuf -oL  awk '{print strftime("%Y-%m-%d %H:%M:%S",systime()), $0}' > /var/log/conntrack/conntrack.log &