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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
|
#!/usr/sbin/nft -f
{% import 'firewall/nftables-defines.j2' as group_tmpl %}
{% import 'firewall/nftables-bridge.j2' as bridge_tmpl %}
{% import 'firewall/nftables-offload.j2' as offload_tmpl %}
{% import 'firewall/nftables-zone.j2' as zone_tmpl %}
flush chain raw vyos_global_rpfilter
flush chain ip6 raw vyos_global_rpfilter
table raw {
chain vyos_global_rpfilter {
{% if global_options.source_validation is vyos_defined('loose') %}
fib saddr oif 0 counter drop
{% elif global_options.source_validation is vyos_defined('strict') %}
fib saddr . iif oif 0 counter drop
{% endif %}
return
}
}
table ip6 raw {
chain vyos_global_rpfilter {
{% if global_options.ipv6_source_validation is vyos_defined('loose') %}
fib saddr oif 0 counter drop
{% elif global_options.ipv6_source_validation is vyos_defined('strict') %}
fib saddr . iif oif 0 counter drop
{% endif %}
return
}
}
{% if first_install is not vyos_defined %}
delete table ip vyos_filter
{% endif %}
table ip vyos_filter {
{% if ipv4 is vyos_defined %}
{% if flowtable is vyos_defined %}
{% for name, flowtable_conf in flowtable.items() %}
{{ offload_tmpl.flowtable(name, flowtable_conf) }}
{% endfor %}
{% endif %}
{% set ns = namespace(sets=[]) %}
{% if ipv4.forward is vyos_defined %}
{% for prior, conf in ipv4.forward.items() %}
chain VYOS_FORWARD_{{ prior }} {
type filter hook forward priority {{ prior }}; policy accept;
{% if global_options.state_policy is vyos_defined %}
jump VYOS_STATE_POLICY
{% endif %}
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('FWD', prior, rule_id) }}
{% if rule_conf.recent is vyos_defined %}
{% set ns.sets = ns.sets + ['FWD_' + prior + '_' + rule_id] %}
{% endif %}
{% endfor %}
{% endif %}
{{ conf | nft_default_rule('FWD-' + prior, 'ipv4') }}
}
{% endfor %}
{% endif %}
{% if ipv4.input is vyos_defined %}
{% for prior, conf in ipv4.input.items() %}
chain VYOS_INPUT_{{ prior }} {
type filter hook input priority {{ prior }}; policy accept;
{% if global_options.state_policy is vyos_defined %}
jump VYOS_STATE_POLICY
{% endif %}
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('INP',prior, rule_id) }}
{% if rule_conf.recent is vyos_defined %}
{% set ns.sets = ns.sets + ['INP_' + prior + '_' + rule_id] %}
{% endif %}
{% endfor %}
{% endif %}
{{ conf | nft_default_rule('INP-' + prior, 'ipv4') }}
}
{% endfor %}
{% endif %}
{% if ipv4.output is vyos_defined %}
{% for prior, conf in ipv4.output.items() %}
chain VYOS_OUTPUT_{{ prior }} {
type filter hook output priority {{ prior }}; policy accept;
{% if global_options.state_policy is vyos_defined and prior == 'filter' %}
jump VYOS_STATE_POLICY
{% endif %}
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('OUT', prior, rule_id) }}
{% if rule_conf.recent is vyos_defined %}
{% set ns.sets = ns.sets + ['OUT_' + prior + '_' + rule_id] %}
{% endif %}
{% endfor %}
{% endif %}
{{ conf | nft_default_rule('OUT-' + prior, 'ipv4') }}
}
{% endfor %}
{% endif %}
{% if ipv4.prerouting is vyos_defined %}
{% for prior, conf in ipv4.prerouting.items() %}
chain VYOS_PREROUTING_{{ prior }} {
type filter hook prerouting priority {{ prior }}; policy accept;
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('PRE', prior, rule_id) }}
{% if rule_conf.recent is vyos_defined %}
{% set ns.sets = ns.sets + ['PRE_' + prior + '_' + rule_id] %}
{% endif %}
{% endfor %}
{% endif %}
{{ conf | nft_default_rule('PRE-' + prior, 'ipv4') }}
}
{% endfor %}
{% endif %}
chain VYOS_FRAG_MARK {
type filter hook prerouting priority -450; policy accept;
ip frag-off & 0x3fff != 0 meta mark set 0xffff1 return
}
{% if ipv4.name is vyos_defined %}
{% for name_text, conf in ipv4.name.items() %}
chain NAME_{{ name_text }} {
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('NAM', name_text, rule_id) }}
{% if rule_conf.recent is vyos_defined %}
{% set ns.sets = ns.sets + ['NAM_' + name_text + '_' + rule_id] %}
{% endif %}
{% endfor %}
{% endif %}
{{ conf | nft_default_rule(name_text, 'ipv4') }}
}
{% endfor %}
{% endif %}
{% for set_name in ns.sets %}
set RECENT_{{ set_name }} {
type ipv4_addr
size 65535
flags dynamic
}
{% endfor %}
{% for set_name in ip_fqdn %}
set FQDN_{{ set_name }} {
type ipv4_addr
flags interval
}
{% endfor %}
{% if geoip_updated.name is vyos_defined %}
{% for setname in geoip_updated.name %}
set {{ setname }} {
type ipv4_addr
flags interval
}
{% endfor %}
{% endif %}
{% endif %}
{{ group_tmpl.groups(group, False, True) }}
{% if zone is vyos_defined %}
{{ zone_tmpl.zone_chains(zone, False, global_options.state_policy is vyos_defined) }}
{% endif %}
{% if global_options.state_policy is vyos_defined %}
chain VYOS_STATE_POLICY {
{% if global_options.state_policy.established is vyos_defined %}
{{ global_options.state_policy.established | nft_state_policy('established') }}
{% endif %}
{% if global_options.state_policy.invalid is vyos_defined %}
{{ global_options.state_policy.invalid | nft_state_policy('invalid') }}
{% endif %}
{% if global_options.state_policy.related is vyos_defined %}
{{ global_options.state_policy.related | nft_state_policy('related') }}
{% endif %}
return
}
{% endif %}
}
{% if first_install is not vyos_defined %}
delete table ip6 vyos_filter
{% endif %}
table ip6 vyos_filter {
{% if ipv6 is vyos_defined %}
{% if flowtable is vyos_defined %}
{% for name, flowtable_conf in flowtable.items() %}
{{ offload_tmpl.flowtable(name, flowtable_conf) }}
{% endfor %}
{% endif %}
{% set ns = namespace(sets=[]) %}
{% if ipv6.forward is vyos_defined %}
{% for prior, conf in ipv6.forward.items() %}
chain VYOS_IPV6_FORWARD_{{ prior }} {
type filter hook forward priority {{ prior }}; policy accept;
{% if global_options.state_policy is vyos_defined %}
jump VYOS_STATE_POLICY6
{% endif %}
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('FWD', prior, rule_id, 'ip6') }}
{% if rule_conf.recent is vyos_defined %}
{% set ns.sets = ns.sets + ['FWD_' + prior + '_' + rule_id] %}
{% endif %}
{% endfor %}
{% endif %}
{{ conf | nft_default_rule('FWD-' + prior, 'ipv6') }}
}
{% endfor %}
{% endif %}
{% if ipv6.input is vyos_defined %}
{% for prior, conf in ipv6.input.items() %}
chain VYOS_IPV6_INPUT_{{ prior }} {
type filter hook input priority {{ prior }}; policy accept;
{% if global_options.state_policy is vyos_defined %}
jump VYOS_STATE_POLICY6
{% endif %}
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('INP', prior, rule_id, 'ip6') }}
{% if rule_conf.recent is vyos_defined %}
{% set ns.sets = ns.sets + ['INP_' + prior + '_' + rule_id] %}
{% endif %}
{% endfor %}
{% endif %}
{{ conf | nft_default_rule('INP-' + prior, 'ipv6') }}
}
{% endfor %}
{% endif %}
{% if ipv6.output is vyos_defined %}
{% for prior, conf in ipv6.output.items() %}
chain VYOS_IPV6_OUTPUT_{{ prior }} {
type filter hook output priority {{ prior }}; policy accept;
{% if global_options.state_policy is vyos_defined and prior == 'filter' %}
jump VYOS_STATE_POLICY6
{% endif %}
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('OUT', prior, rule_id, 'ip6') }}
{% if rule_conf.recent is vyos_defined %}
{% set ns.sets = ns.sets + ['OUT_ ' + prior + '_' + rule_id] %}
{% endif %}
{% endfor %}
{% endif %}
{{ conf | nft_default_rule('OUT-' + prior, 'ipv6') }}
}
{% endfor %}
{% endif %}
{% if ipv6.prerouting is vyos_defined %}
{% for prior, conf in ipv6.prerouting.items() %}
chain VYOS_IPV6_PREROUTING_{{ prior }} {
type filter hook prerouting priority {{ prior }}; policy accept;
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('PRE', prior, rule_id, 'ip6') }}
{% if rule_conf.recent is vyos_defined %}
{% set ns.sets = ns.sets + ['PRE_' + prior + '_' + rule_id] %}
{% endif %}
{% endfor %}
{% endif %}
{{ conf | nft_default_rule('PRE-' + prior, 'ipv6') }}
}
{% endfor %}
{% endif %}
chain VYOS_FRAG6_MARK {
type filter hook prerouting priority -450; policy accept;
exthdr frag exists meta mark set 0xffff1 return
}
{% if ipv6.name is vyos_defined %}
{% for name_text, conf in ipv6.name.items() %}
chain NAME6_{{ name_text }} {
{% if conf.rule is vyos_defined %}
{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
{{ rule_conf | nft_rule('NAM', name_text, rule_id, 'ip6') }}
{% if rule_conf.recent is vyos_defined %}
{% set ns.sets = ns.sets + ['NAM_' + name_text + '_' + rule_id] %}
{% endif %}
{% endfor %}
{% endif %}
{{ conf | nft_default_rule(name_text, 'ipv6') }}
}
{% endfor %}
{% endif %}
{% for set_name in ns.sets %}
set RECENT6_{{ set_name }} {
type ipv6_addr
size 65535
flags dynamic
}
{% endfor %}
{% for set_name in ip6_fqdn %}
set FQDN_{{ set_name }} {
type ipv6_addr
flags interval
}
{% endfor %}
{% if geoip_updated.ipv6_name is vyos_defined %}
{% for setname in geoip_updated.ipv6_name %}
set {{ setname }} {
type ipv6_addr
flags interval
}
{% endfor %}
{% endif %}
{% endif %}
{{ group_tmpl.groups(group, True, True) }}
{% if zone is vyos_defined %}
{{ zone_tmpl.zone_chains(zone, True, global_options.state_policy is vyos_defined) }}
{% endif %}
{% if global_options.state_policy is vyos_defined %}
chain VYOS_STATE_POLICY6 {
{% if global_options.state_policy.established is vyos_defined %}
{{ global_options.state_policy.established | nft_state_policy('established') }}
{% endif %}
{% if global_options.state_policy.invalid is vyos_defined %}
{{ global_options.state_policy.invalid | nft_state_policy('invalid') }}
{% endif %}
{% if global_options.state_policy.related is vyos_defined %}
{{ global_options.state_policy.related | nft_state_policy('related') }}
{% endif %}
return
}
{% endif %}
}
## Bridge Firewall
{% if first_install is not vyos_defined %}
delete table bridge vyos_filter
{% endif %}
table bridge vyos_filter {
{{ bridge_tmpl.bridge(bridge) }}
{{ group_tmpl.groups(group, False, False) }}
}
|
