–j LOG –log-prefix="nat OUTPUT:"

#

# Mangle table, all chains

#

iptables -t mangle -A PREROUTING -p icmp –icmp-type echo-request \

–j LOG –log-prefix="mangle PREROUTING:"

iptables -t mangle -A PREROUTING -p icmp –icmp-type echo-reply \

–j LOG –log-prefix="mangle PREROUTING:"

iptables -t mangle -I FORWARD 1 -p icmp –icmp-type echo-request \

–j LOG –log-prefix="mangle FORWARD:"

iptables -t mangle -I FORWARD 1 -p icmp –icmp-type echo-reply \

–j LOG –log-prefix="mangle FORWARD:"

iptables -t mangle -I INPUT 1 -p icmp –icmp-type echo-request \

–j LOG –log-prefix="mangle INPUT:"

iptables -t mangle -I INPUT 1 -p icmp –icmp-type echo-reply \

–j LOG –log-prefix="mangle INPUT:"

iptables -t mangle -A OUTPUT -p icmp –icmp-type echo-request \

–j LOG –log-prefix="mangle OUTPUT:"

iptables -t mangle -A OUTPUT -p icmp –icmp-type echo-reply \

–j LOG –log-prefix="mangle OUTPUT:"

iptables -t mangle -I POSTROUTING 1 -p icmp –icmp-type echo-request \

–j LOG –log-prefix="mangle POSTROUTING:"

iptables -t mangle -I POSTROUTING 1 -p icmp –icmp-type echo-reply \

–j LOG –log-prefix="mangle POSTROUTING:"