iptables -t mangle --delete PREROUTING -i $qossettings{'RED_DEV'} -j QOS-INC >/dev/null 2>&1
iptables -t mangle --delete PREROUTING -i $qossettings{'RED_DEV'} -j QOS-TOS >/dev/null 2>&1
iptables -t mangle --flush QOS-INC >/dev/null 2>&1
iptables -t mangle --delete-chain QOS-INC >/dev/null 2>&1
iptables -t mangle --flush QOS-TOS >/dev/null 2>&1
iptables -t mangle --delete-chain QOS-TOS >/dev/null 2>&1
iptables -t mangle --delete PREROUTING -i $qossettings{'RED_DEV'} -j QOS-INC >/dev/null 2>&1
iptables -t mangle --delete PREROUTING -i $qossettings{'RED_DEV'} -j QOS-TOS >/dev/null 2>&1
iptables -t mangle --flush QOS-INC >/dev/null 2>&1
iptables -t mangle --delete-chain QOS-INC >/dev/null 2>&1
iptables -t mangle --flush QOS-TOS >/dev/null 2>&1
iptables -t mangle --delete-chain QOS-TOS >/dev/null 2>&1