# meta nfproto ipv4 icmp type echo-request
[
{
"match": {
"left": {
"payload": {
"field": "type",
"protocol": "icmp"
}
},
"op": "==",
"right": "echo-request"
}
}
]
# meta nfproto ipv6 icmpv6 type echo-request
[
{
"match": {
"left": {
"payload": {
"field": "type",
"protocol": "icmpv6"
}
},
"op": "==",
"right": "echo-request"
}
}
]