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# iifname . ip protocol . th dport vmap { "eth0" . tcp . 22 : accept, "eth1" . udp . 67 : drop }
[
{
"vmap": {
"data": {
"set": [
[
{
"concat": [
"eth0",
6,
22
]
},
{
"accept": null
}
],
[
{
"concat": [
"eth1",
17,
67
]
},
{
"drop": null
}
]
]
},
"key": {
"concat": [
{
"meta": {
"key": "iifname"
}
},
{
"payload": {
"field": "protocol",
"protocol": "ip"
}
},
{
"payload": {
"field": "dport",
"protocol": "th"
}
}
]
}
}
}
]
# ip saddr . @ih,32,32 { 1.1.1.1 . 0x14, 2.2.2.2 . 0x1e }
[
{
"match": {
"left": {
"concat": [
{
"payload": {
"field": "saddr",
"protocol": "ip"
}
},
{
"payload": {
"base": "ih",
"len": 32,
"offset": 32
}
}
]
},
"op": "==",
"right": {
"set": [
{
"concat": [
"1.1.1.1",
20
]
},
{
"concat": [
"2.2.2.2",
30
]
}
]
}
}
}
]
# udp length . @th,160,128 vmap { 47-63 . 0xe373135363130333131303735353203 : accept }
[
{
"vmap": {
"data": {
"set": [
[
{
"concat": [
{
"range": [
47,
63
]
},
"0xe373135363130333131303735353203"
]
},
{
"accept": null
}
]
]
},
"key": {
"concat": [
{
"payload": {
"field": "length",
"protocol": "udp"
}
},
{
"payload": {
"base": "th",
"len": 128,
"offset": 160
}
}
]
}
}
}
]