# iifname "eth0" tcp dport 81 snat ip to 192.168.3.2
[
{
"match": {
"left": {
"meta": {
"key": "iifname"
}
},
"op": "==",
"right": "eth0"
}
},
{
"match": {
"left": {
"payload": {
"field": "dport",
"protocol": "tcp"
}
},
"op": "==",
"right": 81
}
},
{
"snat": {
"addr": "192.168.3.2",
"family": "ip"
}
}
]
# iifname "eth0" tcp dport 81 ip saddr 10.1.1.1 snat to 192.168.3.2
[
{
"match": {
"left": {
"meta": {
"key": "iifname"
}
},
"op": "==",
"right": "eth0"
}
},
{
"match": {
"left": {
"payload": {
"field": "dport",
"protocol": "tcp"
}
},
"op": "==",
"right": 81
}
},
{
"match": {
"left": {
"payload": {
"field": "saddr",
"protocol": "ip"
}
},
"op": "==",
"right": "10.1.1.1"
}
},
{
"snat": {
"addr": "192.168.3.2",
"family": "ip"
}
}
]
# iifname "eth0" tcp dport 81 snat ip6 to dead::beef
[
{
"match": {
"left": {
"meta": {
"key": "iifname"
}
},
"op": "==",
"right": "eth0"
}
},
{
"match": {
"left": {
"payload": {
"field": "dport",
"protocol": "tcp"
}
},
"op": "==",
"right": 81
}
},
{
"snat": {
"addr": "dead::beef",
"family": "ip6"
}
}
]
# iifname "foo" masquerade random
[
{
"match": {
"left": {
"meta": {
"key": "iifname"
}
},
"op": "==",
"right": "foo"
}
},
{
"masquerade": {
"flags": "random"
}
}
]