1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
{
"nftables": [
{
"metainfo": {
"version": "1.0.9",
"release_name": "Old Doc Yak #3",
"json_schema_version": 1
}
},
{
"table": {
"family": "inet",
"name": "filter",
"handle": 1
}
},
{
"chain": {
"family": "inet",
"table": "filter",
"name": "input",
"handle": 1
}
},
{
"rule": {
"family": "inet",
"table": "filter",
"chain": "input",
"handle": 2,
"expr": [
{
"match": {
"op": "==",
"left": {
"&": [
{
"payload": {
"protocol": "tcp",
"field": "flags"
}
},
"syn"
]
},
"right": [
"syn",
"ack"
]
}
},
{
"drop": null
}
]
}
},
{
"rule": {
"family": "inet",
"table": "filter",
"chain": "input",
"handle": 3,
"expr": [
{
"match": {
"op": "==",
"left": {
"&": [
{
"payload": {
"protocol": "tcp",
"field": "flags"
}
},
[
"fin",
"syn",
"rst",
"ack"
]
]
},
"right": "syn"
}
},
{
"drop": null
}
]
}
},
{
"rule": {
"family": "inet",
"table": "filter",
"chain": "input",
"handle": 4,
"expr": [
{
"match": {
"op": "==",
"left": {
"&": [
{
"payload": {
"protocol": "tcp",
"field": "flags"
}
},
[
"fin",
"syn",
"rst",
"ack"
]
]
},
"right": [
"syn",
"ack"
]
}
},
{
"drop": null
}
]
}
}
]
}