# ip protocol tcp tcp dport ssh accept
[
    {
        "match": {
            "left": {
                "payload": {
                    "field": "dport",
                    "protocol": "tcp"
                }
            },
	    "op": "==",
            "right": 22
        }
    },
    {
        "accept": null
    }
]

# ip protocol ne tcp udp dport ssh accept
[
    {
        "match": {
            "left": {
                "payload": {
                    "field": "protocol",
                    "protocol": "ip"
                }
            },
            "op": "!=",
            "right": 6
        }
    },
    {
        "match": {
            "left": {
                "payload": {
                    "field": "dport",
                    "protocol": "udp"
                }
            },
	    "op": "==",
            "right": 22
        }
    },
    {
        "accept": null
    }
]