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NFT: output chain for traffic from the router

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itdoginfo
2025-08-27 00:31:56 +03:00
parent 8cd990f8a3
commit 9974b42cc2
1 changed files with 24 additions and 15 deletions
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39
podkop/files/usr/bin/podkop
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@@ -373,8 +373,26 @@ create_nft_table() {
nft_interfaces
log "Create localv4 set"
nft add set inet $table localv4 { type ipv4_addr\; flags interval\; }
nft add element inet $table localv4 { \
0.0.0.0/8, \
10.0.0.0/8, \
127.0.0.0/8, \
169.254.0.0/16, \
172.16.0.0/12, \
192.0.0.0/24, \
192.0.2.0/24, \
192.88.99.0/24, \
192.168.0.0/16, \
198.51.100.0/24, \
203.0.113.0/24, \
224.0.0.0/4, \
240.0.0.0-255.255.255.255 }
log "Create nft rules"
nft add chain inet $table mangle { type filter hook prerouting priority -150 \; policy accept \;}
nft add chain inet $table mangle_output { type route hook output priority -150 \; policy accept\; }
nft add chain inet $table proxy { type filter hook prerouting priority -100 \; policy accept \;}
nft add set inet $table podkop_subnets { type ipv4_addr\; flags interval\; auto-merge\; }
@@ -386,6 +404,12 @@ create_nft_table() {
nft add rule inet $table proxy meta mark 0x105 meta l4proto tcp tproxy ip to :1602 counter
nft add rule inet $table proxy meta mark 0x105 meta l4proto udp tproxy ip to :1602 counter
nft add rule inet $table mangle_output ip daddr @localv4 return
nft add rule inet $table mangle_output ip daddr @podkop_subnets meta l4proto tcp meta mark set 0x00000105 counter
nft add rule inet $table mangle_output ip daddr @podkop_subnets meta l4proto udp meta mark set 0x00000105 counter
nft add rule inet $table mangle_output ip daddr 198.18.0.0/15 meta l4proto tcp meta mark set 0x00000105 counter
nft add rule inet $table mangle_output ip daddr 198.18.0.0/15 meta l4proto udp meta mark set 0x00000105 counter
}
save_dnsmasq_config() {
@@ -2080,21 +2104,6 @@ nft_list_all_traffic_from_ip() {
local table="PodkopTable"
if ! nft list chain inet $table mangle | grep -q "ip saddr $ip"; then
nft add set inet $table localv4 { type ipv4_addr\; flags interval\; }
nft add element inet $table localv4 { \
0.0.0.0/8, \
10.0.0.0/8, \
127.0.0.0/8, \
169.254.0.0/16, \
172.16.0.0/12, \
192.0.0.0/24, \
192.0.2.0/24, \
192.88.99.0/24, \
192.168.0.0/16, \
198.51.100.0/24, \
203.0.113.0/24, \
224.0.0.0/4, \
240.0.0.0-255.255.255.255 }
nft insert rule inet $table mangle iifname "$SRC_INTERFACE" ip saddr $ip meta l4proto { tcp, udp } meta mark set 0x105 counter
nft insert rule inet $table mangle ip saddr $ip ip daddr @localv4 return
fi