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author | Gregor Kleen <gkleen@yggdrasil.li> | 2022-01-01 04:04:42 +0100 |
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committer | Gregor Kleen <gkleen@yggdrasil.li> | 2022-01-01 04:04:42 +0100 |
commit | cb2236575fa1fbda53dea0f22f2245abc25780c4 (patch) | |
tree | c64864eb34b6b4790f17a1849a7f0a71db6565f3 /hosts/vidhar/network | |
parent | 9ef71013736632040d20f738dd7e4e213d0588d1 (diff) | |
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vidhar: nftables: named counters
Diffstat (limited to 'hosts/vidhar/network')
-rw-r--r-- | hosts/vidhar/network/ruleset.nft | 206 |
1 files changed, 149 insertions, 57 deletions
diff --git a/hosts/vidhar/network/ruleset.nft b/hosts/vidhar/network/ruleset.nft index 9fb1d14d..bdd847db 100644 --- a/hosts/vidhar/network/ruleset.nft +++ b/hosts/vidhar/network/ruleset.nft | |||
@@ -8,24 +8,33 @@ table arp filter { | |||
8 | rate over 1400 kbytes/second burst 1400 kbytes | 8 | rate over 1400 kbytes/second burst 1400 kbytes |
9 | } | 9 | } |
10 | 10 | ||
11 | counter arp-rx {} | ||
12 | counter arp-tx {} | ||
13 | |||
14 | counter arp-ratelimit-dsl-rx {} | ||
15 | counter arp-ratelimit-dsl-tx {} | ||
16 | |||
17 | counter arp-ratelimit-local-rx {} | ||
18 | counter arp-ratelimit-local-tx {} | ||
19 | |||
11 | chain input { | 20 | chain input { |
12 | type filter hook input priority filter | 21 | type filter hook input priority filter |
13 | policy accept | 22 | policy accept |
14 | 23 | ||
15 | iifname != dsl limit name lim_arp_local counter drop | 24 | iifname != dsl limit name lim_arp_local counter name arp-ratelimit-local-rx drop |
16 | iifname dsl limit name lim_arp_dsl counter drop | 25 | iifname dsl limit name lim_arp_dsl counter name arp-ratelimit-dsl-rx drop |
17 | 26 | ||
18 | counter | 27 | counter name arp-rx |
19 | } | 28 | } |
20 | 29 | ||
21 | chain output { | 30 | chain output { |
22 | type filter hook output priority filter | 31 | type filter hook output priority filter |
23 | policy accept | 32 | policy accept |
24 | 33 | ||
25 | oifname != dsl limit name lim_arp_local counter drop | 34 | oifname != dsl limit name lim_arp_local counter name arp-ratelimit-local-tx drop |
26 | oifname dsl limit name lim_arp_dsl counter drop | 35 | oifname dsl limit name lim_arp_dsl counter name arp-ratelimit-dsl-tx drop |
27 | 36 | ||
28 | counter | 37 | counter name arp-tx |
29 | } | 38 | } |
30 | } | 39 | } |
31 | 40 | ||
@@ -41,38 +50,98 @@ table inet filter { | |||
41 | rate over 1400 kbytes/second burst 1400 kbytes | 50 | rate over 1400 kbytes/second burst 1400 kbytes |
42 | } | 51 | } |
43 | 52 | ||
53 | counter icmp-ratelimit-dsl-fw {} | ||
54 | counter icmp-ratelimit-local-fw {} | ||
55 | |||
56 | counter icmp-fw {} | ||
57 | |||
58 | counter invalid-fw {} | ||
59 | counter fw-lo {} | ||
60 | counter fw-lan {} | ||
61 | counter fw-dsl {} | ||
62 | |||
63 | counter reject-ratelimit-fw {} | ||
64 | counter reject-fw {} | ||
65 | counter reject-tcp-fw {} | ||
66 | counter reject-icmp-fw {} | ||
67 | |||
68 | |||
69 | counter invalid-rx {} | ||
70 | counter rx-lo {} | ||
71 | counter invalid-local4-rx {} | ||
72 | counter invalid-local6-rx {} | ||
73 | |||
74 | counter icmp-ratelimit-dsl-rx {} | ||
75 | counter icmp-ratelimit-local-rx {} | ||
76 | counter icmp-rx {} | ||
77 | |||
78 | counter ssh-rx {} | ||
79 | counter mosh-rx {} | ||
80 | counter dns-rx {} | ||
81 | counter wg-rx {} | ||
82 | counter yggdrasil-gre-rx {} | ||
83 | counter ipv6-pd-rx {} | ||
84 | counter ntp-rx {} | ||
85 | counter dhcp-rx {} | ||
86 | counter samba-rx {} | ||
87 | counter http-rx {} | ||
88 | |||
89 | counter established-rx {} | ||
90 | |||
91 | counter reject-ratelimit-rx {} | ||
92 | counter reject-rx {} | ||
93 | counter reject-tcp-rx {} | ||
94 | counter reject-icmp-rx {} | ||
95 | |||
96 | |||
97 | counter tx-lo {} | ||
98 | |||
99 | counter icmp-ratelimit-dsl-tx {} | ||
100 | counter icmp-ratelimit-local-tx {} | ||
101 | counter icmp-tx {} | ||
102 | |||
103 | counter ssh-tx {} | ||
104 | counter mosh-tx {} | ||
105 | counter dns-tx {} | ||
106 | counter wg-tx {} | ||
107 | counter yggdrasil-gre-tx {} | ||
108 | counter ipv6-pd-tx {} | ||
109 | counter ntp-tx {} | ||
110 | counter dhcp-tx {} | ||
111 | counter samba-tx {} | ||
112 | counter http-tx {} | ||
113 | |||
114 | counter tx {} | ||
115 | |||
44 | 116 | ||
45 | chain forward_icmp_accept { | 117 | chain forward_icmp_accept { |
46 | oifname dsl limit name lim_icmp_dsl counter drop | 118 | oifname dsl limit name lim_icmp_dsl counter name icmp-ratelimit-dsl-fw drop |
47 | iifname dsl limit name lim_icmp_dsl counter drop | 119 | iifname dsl limit name lim_icmp_dsl counter name icmp-ratelimit-dsl-fw drop |
48 | oifname != dsl limit name lim_icmp_local counter drop | 120 | oifname != dsl limit name lim_icmp_local counter name icmp-ratelimit-local-fw drop |
49 | iifname != dsl limit name lim_icmp_local counter drop | 121 | iifname != dsl limit name lim_icmp_local counter name icmp-ratelimit-local-fw drop |
50 | counter accept | 122 | counter name icmp-fw accept |
51 | } | 123 | } |
52 | chain forward { | 124 | chain forward { |
53 | type filter hook forward priority filter | 125 | type filter hook forward priority filter |
54 | policy drop | 126 | policy drop |
55 | 127 | ||
56 | 128 | ||
57 | ct state invalid log prefix "drop invalid forward: " counter drop | 129 | ct state invalid log prefix "drop invalid forward: " counter name invalid-fw drop |
58 | 130 | ||
59 | 131 | ||
60 | iifname lo counter accept | 132 | iifname lo counter name fw-lo accept |
61 | 133 | ||
62 | oifname {lan, dsl} meta l4proto $icmp_protos jump forward_icmp_accept | 134 | oifname {lan, dsl} meta l4proto $icmp_protos jump forward_icmp_accept |
63 | 135 | ||
64 | iifname lan oifname dsl counter accept | 136 | iifname lan oifname dsl counter name fw-lan accept |
65 | iifname dsl oifname lan ct state {established, related} counter accept | 137 | iifname dsl oifname lan ct state {established, related} counter name fw-dsl accept |
66 | |||
67 | 138 | ||
68 | 139 | ||
69 | limit name lim_reject log prefix "drop forward: " counter drop | ||
70 | log prefix "reject forward: " counter | ||
71 | meta l4proto tcp ct state new counter reject with tcp reset | ||
72 | ct state new counter reject | ||
73 | 140 | ||
74 | 141 | limit name lim_reject log prefix "drop forward: " counter name reject-ratelimit-fw drop | |
75 | counter | 142 | log prefix "reject forward: " counter name reject-fw |
143 | meta l4proto tcp ct state new counter name reject-tcp-fw reject with tcp reset | ||
144 | ct state new counter name reject-icmp-fw reject | ||
76 | } | 145 | } |
77 | 146 | ||
78 | chain input { | 147 | chain input { |
@@ -80,48 +149,45 @@ table inet filter { | |||
80 | policy drop | 149 | policy drop |
81 | 150 | ||
82 | 151 | ||
83 | ct state invalid log prefix "drop invalid input: " counter drop | 152 | ct state invalid log prefix "drop invalid input: " counter name invalid-rx drop |
84 | 153 | ||
85 | 154 | ||
86 | iifname lo counter accept | 155 | iifname lo counter name rx-lo accept |
87 | iif != lo ip daddr 127.0.0.1/8 counter reject | 156 | iif != lo ip daddr 127.0.0.1/8 counter name invalid-local4-rx reject |
88 | iif != lo ip6 daddr ::1/128 counter reject | 157 | iif != lo ip6 daddr ::1/128 counter name invalid-local6-rx reject |
89 | |||
90 | iifname dsl meta l4proto $icmp_protos limit name lim_icmp_dsl counter drop | ||
91 | iifname != dsl meta l4proto $icmp_protos limit name lim_icmp_local counter drop | ||
92 | meta l4proto $icmp_protos counter accept | ||
93 | 158 | ||
94 | tcp dport 22 counter accept | 159 | iifname dsl meta l4proto $icmp_protos limit name lim_icmp_dsl counter name icmp-ratelimit-dsl-rx drop |
95 | udp dport 60001-61000 counter accept | 160 | iifname != dsl meta l4proto $icmp_protos limit name lim_icmp_local counter name icmp-ratelimit-local-rx drop |
161 | meta l4proto $icmp_protos counter name icmp-rx accept | ||
96 | 162 | ||
97 | iifname lan tcp dport 53 counter accept | 163 | tcp dport 22 counter name ssh-rx accept |
98 | iifname lan udp dport 53 counter accept | 164 | udp dport 60001-61000 counter name mosh-rx accept |
99 | 165 | ||
100 | meta protocol ip udp dport 51820 counter accept | 166 | iifname lan tcp dport 53 counter name dns-rx accept |
101 | meta protocol ip6 udp dport 51821 counter accept | 167 | iifname lan udp dport 53 counter name dns-rx accept |
102 | iifname "yggdrasil-wg-*" meta l4proto gre counter accept | ||
103 | 168 | ||
104 | iifname dsl meta protocol ip6 udp dport 546 udp sport 547 counter accept | 169 | meta protocol ip udp dport 51820 counter name wg-rx accept |
170 | meta protocol ip6 udp dport 51821 counter name wg-rx accept | ||
171 | iifname "yggdrasil-wg-*" meta l4proto gre counter name yggdrasil-gre-rx accept | ||
105 | 172 | ||
106 | iifname mgmt udp dport 123 counter accept | 173 | iifname dsl meta protocol ip6 udp dport 546 udp sport 547 counter name ipv6-pd-rx accept |
107 | 174 | ||
108 | iifname {lan, mgmt} udp dport 67 counter accept | 175 | iifname mgmt udp dport 123 counter name ntp-rx accept |
109 | 176 | ||
110 | iifname lan udp dport { 137, 138, 3702 } counter accept | 177 | iifname {lan, mgmt} udp dport 67 counter name dhcp-rx accept |
111 | iifname lan tcp dport { 445, 139, 5357 } counter accept | ||
112 | 178 | ||
113 | iifname yggdrasil tcp dport 80 counter accept | 179 | iifname lan udp dport { 137, 138, 3702 } counter name samba-rx accept |
180 | iifname lan tcp dport { 445, 139, 5357 } counter name samba-rx accept | ||
114 | 181 | ||
115 | ct state {established, related} counter accept | 182 | iifname yggdrasil tcp dport 80 counter name http-rx accept |
116 | 183 | ||
184 | ct state {established, related} counter name established-rx accept | ||
117 | 185 | ||
118 | limit name lim_reject log prefix "drop input: " counter drop | ||
119 | log prefix "reject input: " counter | ||
120 | meta l4proto tcp ct state new counter reject with tcp reset | ||
121 | ct state new counter reject | ||
122 | 186 | ||
123 | 187 | limit name lim_reject log prefix "drop input: " counter name reject-ratelimit-rx drop | |
124 | counter | 188 | log prefix "reject input: " counter name reject-rx |
189 | meta l4proto tcp ct state new counter name reject-tcp-rx reject with tcp reset | ||
190 | ct state new counter name reject-icmp-rx reject | ||
125 | } | 191 | } |
126 | 192 | ||
127 | chain output { | 193 | chain output { |
@@ -129,33 +195,59 @@ table inet filter { | |||
129 | policy accept | 195 | policy accept |
130 | 196 | ||
131 | 197 | ||
132 | oifname lo counter accept | 198 | oifname lo counter name tx-lo accept |
199 | |||
200 | oifname dsl meta l4proto $icmp_protos limit name lim_icmp_dsl counter name icmp-ratelimit-dsl-tx drop | ||
201 | oifname != dsl meta l4proto $icmp_protos limit name lim_icmp_local counter name icmp-ratelimit-local-tx drop | ||
202 | meta l4proto $icmp_protos counter name icmp-tx accept | ||
203 | |||
204 | |||
205 | tcp sport 22 counter name ssh-tx | ||
206 | udp sport 60001-61000 counter name mosh-tx | ||
133 | 207 | ||
134 | oifname dsl meta l4proto $icmp_protos limit name lim_icmp_dsl counter drop | 208 | tcp sport 53 counter name dns-tx |
135 | oifname != dsl meta l4proto $icmp_protos limit name lim_icmp_local counter drop | 209 | udp sport 53 counter name dns-tx |
136 | meta l4proto $icmp_protos counter accept | ||
137 | 210 | ||
211 | meta protocol ip udp sport 51820 counter name wg-tx | ||
212 | meta protocol ip6 udp sport 51821 counter name wg-tx | ||
213 | iifname "yggdrasil-wg-*" meta l4proto gre counter name yggdrasil-gre-tx | ||
138 | 214 | ||
139 | counter | 215 | meta protocol ip6 udp sport 546 udp dport 547 counter name ipv6-pd-tx |
216 | |||
217 | udp sport 123 counter name ntp-tx accept | ||
218 | |||
219 | udp sport 67 counter name dhcp-tx accept | ||
220 | |||
221 | udp sport { 137, 138, 3702 } counter name samba-tx accept | ||
222 | tcp sport { 445, 139, 5357 } counter name samba-tx accept | ||
223 | |||
224 | tcp sport 80 counter name http-tx accept | ||
225 | |||
226 | |||
227 | counter name tx | ||
140 | } | 228 | } |
141 | } | 229 | } |
142 | 230 | ||
143 | table ip nat { | 231 | table ip nat { |
232 | counter dsl-nat {} | ||
233 | |||
144 | chain postrouting { | 234 | chain postrouting { |
145 | type nat hook postrouting priority srcnat | 235 | type nat hook postrouting priority srcnat |
146 | policy accept | 236 | policy accept |
147 | 237 | ||
148 | 238 | ||
149 | oifname dsl counter masquerade | 239 | oifname dsl counter name dsl-nat masquerade |
150 | } | 240 | } |
151 | } | 241 | } |
152 | 242 | ||
153 | table ip mss_clamp { | 243 | table ip mss_clamp { |
244 | counter dsl-mss-clamp {} | ||
245 | |||
154 | chain postrouting { | 246 | chain postrouting { |
155 | type filter hook postrouting priority mangle | 247 | type filter hook postrouting priority mangle |
156 | policy accept | 248 | policy accept |
157 | 249 | ||
158 | 250 | ||
159 | oifname dsl tcp flags & (syn|rst) == syn counter tcp option maxseg size set rt mtu | 251 | oifname dsl tcp flags & (syn|rst) == syn counter name dsl-mss-clamp tcp option maxseg size set rt mtu |
160 | } | 252 | } |
161 | } \ No newline at end of file | 253 | } \ No newline at end of file |