mirror of
https://git.sr.ht/~magic_rb/dotfiles
synced 2024-11-27 02:26:14 +01:00
302 lines
12 KiB
Nix
302 lines
12 KiB
Nix
{
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secret,
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inputs',
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pkgs,
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lib,
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...
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}: {
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networking.notnft.postStop = ''
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if systemctl status podman ; then
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${lib.getExe' pkgs.podman "podman"} network reload -a
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fi
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'';
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networking.notnft.postStart = ''
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if systemctl status podman ; then
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${lib.getExe' pkgs.podman "podman"} network reload -a
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fi
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'';
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networking.notnft.rules = let
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notnft = inputs'.notnft.lib.${pkgs.stdenv.system};
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logRule = with notnft.dsl;
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with payload;
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prefix: [
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(log {
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prefix = "${prefix} dropped: ";
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flags = f: [f.all];
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})
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];
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traceChain = with notnft.dsl;
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with payload;
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add chain
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[(is.eq th.dport 53) (mangle meta.nftrace 1)]
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[(is.eq th.dport 53) (mangle meta.nftrace 1)]
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[(is.eq th.dport 22) (mangle meta.nftrace 1)]
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[(is.eq th.sport 22) (mangle meta.nftrace 1)]
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[(is.eq meta.oifname "uk3s0") (mangle meta.nftrace 1)]
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[(is.eq meta.iifname "uk3s0") (mangle meta.nftrace 1)];
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in
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with notnft.dsl;
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with payload;
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ruleset {
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filter = add table {family = f: f.inet;} {
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trace = traceChain;
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### lo
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input-lo =
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add chain
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[accept];
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output-lo =
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add chain
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[accept];
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###
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### mvm
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input-mvm =
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add chain;
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output-mvm =
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add chain
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[(is.eq ip.protocol (f: f.icmp)) (is.eq ip.saddr "10.80.1.1") (is.eq ip.daddr "10.80.1.2") accept]
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[(is.eq ip.protocol (f: f.icmp)) (is.eq ip.saddr "10.80.1.2") (is.eq ip.daddr "10.80.1.1") accept]
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[(is.eq ip.protocol (f: with f; set [tcp])) (is.eq th.dport 22) (is.eq ip.saddr "10.80.1.1") (is.eq ip.daddr "10.80.1.2") accept]
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[(is.eq ip.protocol (f: with f; set [tcp])) (is.eq th.dport 80) (is.eq ip.saddr "10.80.1.1") (is.eq ip.daddr "10.80.1.2") accept];
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###
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###
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input-uk3s =
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add chain;
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output-uk3s =
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add chain
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[(is.eq ip.daddr (cidr "10.50.0.0/22")) accept];
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input-arma3 =
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add chain;
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output-arma3 =
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add chain
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[(is.eq ip.daddr (cidr "10.99.99.0/24")) accept];
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### wlan0
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input-wlan0 =
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add chain
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[(is.eq ip.protocol (f: f.tcp)) (is.eq th.dport "8080") accept]
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[(is.eq ip.protocol (f: f.udp)) (is.eq th.dport "20111") accept]
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[(is.eq ip.protocol (f: f.tcp)) (is.eq th.dport "27036") accept]
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[(is.eq ip.protocol (f: f.udp)) (is.eq th.dport (set [27031 27032 27033 27034 27035 27036])) accept];
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output-wlan0 =
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add chain
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[(is.ne ip.daddr (secret.network.ips.blowhole.ip or "")) (is.eq ip.protocol (f: with f; set [tcp udp])) (is.eq th.dport 53) drop]
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[accept];
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###
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### wlan0
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input-eth0 =
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add chain;
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output-eth0 =
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add chain
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[(is.ne ip.daddr (secret.network.ips.blowhole.ip or "")) (is.eq ip.protocol (f: with f; set [tcp udp])) (is.eq th.dport 53) drop]
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[accept];
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###
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### wg0
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input-wg0 =
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add chain
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# accept syncthing sharing
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[(is.eq ip.protocol (f: f.udp)) (is.eq th.sport "22000") (is.eq th.dport "22000") accept]
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[(is.eq ip.protocol (f: f.tcp)) (is.eq th.dport "22000") accept]
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[(is.eq ip.protocol (f: f.icmp)) accept];
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output-wg0 =
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add chain
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# TCP, UDP 53 to blowhole
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[(is.eq ip.protocol (f: with f; set [udp tcp])) (is.eq th.dport 53) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.blowhole.ip or "")) accept]
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# TCP 22, 80, 4646, 8200, 8500, 2049 to blowhole
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[(is.eq ip.protocol (f: with f; set [tcp])) (is.eq th.dport (set [22 80 4646 8200 8500 2049])) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.blowhole.ip or "")) accept]
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# NFS services to blowhole
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[(is.eq ip.protocol (f: with f; set [tcp udp])) (is.eq th.dport (set [111 2049 4000 4002 20048])) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.blowhole.ip or "")) accept]
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# TCP 22, 4646, 8200 toothpick
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[(is.eq ip.protocol (f: with f; set [tcp])) (is.eq th.dport (set [22 4646 8200])) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.toothpick or "")) accept]
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# TCP 22 altra
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[(is.eq ip.protocol (f: with f; set [tcp])) (is.eq th.dport (set [22])) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.altra.ip or "")) accept]
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# TCP 22 heater
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[(is.eq ip.protocol (f: with f; set [tcp])) (is.eq th.dport (set [22])) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.heater or "")) accept]
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[(is.eq ip.protocol (f: with f; set [udp])) (is.eq th.dport (set [2302 2303 2304])) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.heater or "")) accept]
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# ICMP to blowhole, toothpick, altra
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[(is.eq ip.protocol (f: f.icmp)) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (set [(secret.network.ips.toothpick or "") (secret.network.ips.altra.ip or "") (secret.network.ips.blowhole.ip or "")])) accept]
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[(is.eq ip.protocol (f: f.tcp)) (is.eq th.dport 8883) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr (secret.network.ips.altra.ip or "")) accept]
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# accept syncthing sharing
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[(is.eq ip.protocol (f: f.tcp)) (is.eq th.dport 554) (is.eq ip.saddr (secret.network.ips.omen.vpn or "")) (is.eq ip.daddr "10.64.2.128") accept]
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[(is.eq ip.protocol (f: f.udp)) (is.eq th.sport "22000") (is.eq th.dport "22000") accept]
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[(is.eq ip.protocol (f: f.tcp)) (is.eq th.dport "22000") accept];
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###
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input =
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add chain {
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type = f: f.filter;
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hook = f: f.input;
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prio = -300;
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policy = f: f.drop;
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}
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# accept related, established and drop invalid
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[
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(vmap ct.state {
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established = accept;
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related = accept;
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invalid = drop;
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})
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]
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# # accept icmp between the same IP
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# [ (is.eq ip.protocol (f: f.icmp)) (is.eq ip.daddr ip.saddr) accept ]
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[(jump "trace")]
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[(is.eq meta.iifname "wlan0") (jump "input-wlan0")]
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[(is.eq meta.iifname "eth0") (jump "input-eth0")]
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[(is.eq meta.iifname "mvm0") (jump "input-mvm")]
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[(is.eq meta.iifname "lo") (jump "input-lo")]
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[(is.eq meta.iifname "wg0") (jump "input-wg0")]
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[(is.eq meta.iifname "uk3s0") (jump "input-uk3s")]
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[(is.eq meta.iifname "arma3") (jump "input-arma3")]
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[(is.eq ip.protocol (f: f.icmp)) accept]
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(logRule "Input");
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output =
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add chain {
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type = f: f.filter;
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hook = f: f.output;
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prio = -300;
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policy = f: f.drop;
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}
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[(jump "trace")]
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[(is.eq meta.oifname "wlan0") (jump "output-wlan0")]
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[(is.eq meta.oifname "eth0") (jump "output-eth0")]
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[(is.eq meta.oifname "lo") (jump "output-lo")]
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[(is.eq meta.oifname "mvm0") (jump "output-mvm")]
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[(is.eq meta.oifname "wg0") (jump "output-wg0")]
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[(is.eq meta.oifname "uk3s0") (jump "output-uk3s")]
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[(is.eq meta.oifname "arma3") (jump "output-arma3")]
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(logRule "Output");
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forward =
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add chain {
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type = f: f.filter;
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hook = f: f.forward;
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prio = -300;
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policy = f: f.drop;
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}
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[(jump "trace")]
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# accept masquaraded packets incoming from wg0
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[
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(is.eq meta.iifname (set ["wg0" "wlan0" "eth0"]))
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(vmap ct.state {
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established = accept;
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related = accept;
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})
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]
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# accept TCP, UDP 53 from 10.80.1.2 to blowhole
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[(is.eq meta.iifname "mvm0") (is.eq meta.oifname "wg0") (is.eq ip.protocol (f: with f; set [tcp udp])) (is.eq th.dport 53) (is.eq ip.saddr "10.80.1.2") (is.eq ip.daddr (secret.network.ips.blowhole.ip or "")) accept]
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# accept TCP, UDP 53 from 10.80.1.2 to blowhole
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[(is.eq meta.iifname "podman0") (is.eq meta.oifname "wg0") (is.eq ip.protocol (f: with f; set [tcp udp])) (is.eq th.dport 53) (is.eq ip.daddr (secret.network.ips.blowhole.ip or "")) accept]
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[(is.eq meta.iifname (set ["uk3s0" "arma3"])) (is.eq meta.oifname "wg0") (is.eq ip.protocol (f: with f; set [tcp udp])) (is.eq th.dport 53) (is.eq ip.daddr (secret.network.ips.blowhole.ip or "")) accept]
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[(is.eq meta.iifname (set ["uk3s0" "arma3"])) (is.eq meta.oifname (set ["wlan0" "eth0"])) accept]
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(logRule "Forward");
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prerouting =
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add chain {
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type = f: f.nat;
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hook = f: f.prerouting;
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prio = -199;
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policy = f: f.accept;
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}
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[(jump "trace")];
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postrouting =
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add chain {
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type = f: f.nat;
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hook = f: f.postrouting;
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prio = -199;
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policy = f: f.accept;
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}
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[(jump "trace")]
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# masquarade from 10.80.1.2 heading to wg0
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[(is.eq meta.iifname "mvm0") (is.eq meta.oifname "wg0") (is.eq ip.saddr (set ["10.80.1.2"])) masquerade]
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[(is.eq meta.iifname "uk3s0") (is.eq meta.oifname "wg0") (is.eq ip.saddr (cidr "10.50.0.0/22")) masquerade]
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[(is.eq meta.iifname "uk3s0") (is.eq meta.oifname (set ["wlan0" "eth0"])) (is.eq ip.saddr (cidr "10.50.0.0/22")) masquerade]
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[(is.eq meta.iifname "arma3") (is.eq meta.oifname "wg0") (is.eq ip.saddr (cidr "10.99.99.0/24")) masquerade]
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[(is.eq meta.iifname "arma3") (is.eq meta.oifname (set ["wlan0" "eth0"])) (is.eq ip.saddr (cidr "10.99.99.0/24")) masquerade];
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};
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bridge-t = add table {family = f: f.bridge;} {
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trace = traceChain;
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input-body = add chain;
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input =
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add chain {
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type = f: f.filter;
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hook = f: f.input;
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prio = f: f.filter;
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policy = f: f.drop;
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}
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[(jump "trace")]
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[
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(vmap ct.state {
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established = accept;
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related = accept;
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invalid = drop;
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})
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]
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[(is.eq meta.protocol (f: f.arp)) accept]
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[(is.eq meta.iifname "veth0") (is.eq ip.daddr (secret.network.ips.blowhole.ip or "")) (is.eq ip.protocol (f: with f; set [tcp udp])) (is.eq th.dport 53) accept]
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[(jump "input-body")]
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(logRule "Bridge input");
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output-body = add chain;
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output =
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add chain {
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type = f: f.filter;
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hook = f: f.output;
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prio = f: f.out;
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policy = f: f.drop;
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}
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[(jump "trace")]
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[(is.eq ether.type (f: f.arp)) accept]
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[(jump "output-body")]
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[(is.eq ip.daddr (cidr "10.88.0.0" 16)) (is.eq ip.saddr (cidr "10.88.0.0" 16)) accept]
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(logRule "Bridge output");
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forward-body = add chain;
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forward =
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add chain {
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type = f: f.filter;
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hook = f: f.forward;
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prio = f: f.filter;
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policy = f: f.drop;
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}
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[(jump "trace")]
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[(jump "forward-body")]
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(logRule "Bridge forward");
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prerouting = add chain {
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type = f: f.filter;
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hook = f: f.prerouting;
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prio = f: f.dstnat;
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policy = f: f.accept;
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};
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postrouting = add chain {
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type = f: f.filter;
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hook = f: f.postrouting;
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prio = f: f.srcnat;
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policy = f: f.accept;
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};
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};
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};
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}
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