1*57718be8SEnji Cooperblock in proto icmp from any to any icmp-type echo 2*57718be8SEnji Cooperpass in proto icmp from any to any icmp-type echo 3*57718be8SEnji Cooperblock in proto icmp from any to any icmp-type unreach code 3 4*57718be8SEnji Cooperpass in proto icmp from any to any icmp-type unreach code 3 5*57718be8SEnji Cooperblock in proto icmp from any to any icmp-type echorep 6*57718be8SEnji Cooperpass in proto icmp from any to any icmp-type echorep 7*57718be8SEnji Cooperpass in proto icmp all icmp-type maskreq keep state 8*57718be8SEnji Cooperpass in proto icmp all icmp-type timest keep state 9*57718be8SEnji Cooperpass in proto icmp all icmp-type inforeq keep state 10