127 lines
3.6 KiB
Text
127 lines
3.6 KiB
Text
define tcp_host = @empty_ipv4
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define udp_host = @empty_ipv4
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define tcp_proxy_ifnames = @empty_str
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define udp_proxy_ifnames = @empty_str
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define tcp_server_port = 443
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define udp_server_port = 443
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define tcp_local_port = 1080
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define udp_local_port = 1080
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## DO NOT CHANGE THIS LINE
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add table ip transparent_proxy
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delete table ip transparent_proxy
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table ip transparent_proxy {
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set tcp_bypass {
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type cgroupsv2
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}
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set udp_bypass {
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type cgroupsv2
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}
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set tcp_enforce {
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type cgroupsv2
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}
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set udp_enforce {
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type cgroupsv2
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}
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set empty_ipv4 {
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type ipv4_addr
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flags constant
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}
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set empty_str {
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typeof iifname
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flags constant
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}
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set chnroute {
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type ipv4_addr
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flags interval
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auto-merge
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elements = {
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0.0.0.0/8,
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10.0.0.0/8,
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100.64.0.0/10,
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127.0.0.0/8,
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169.254.0.0/16,
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172.16.0.0/12,
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192.0.0.0/24,
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192.0.2.0/24,
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192.88.99.0/24,
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192.168.0.0/16,
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198.18.0.0/15,
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198.51.100.0/24,
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203.0.113.0/24,
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224.0.0.0/4,
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240.0.0.0/4,
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255.255.255.255,
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}
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}
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# tcp part
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chain nat_prerouting {
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type nat hook prerouting priority dstnat
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policy accept
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ip protocol tcp iifname $tcp_proxy_ifnames jump tcp_pre_redirect
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}
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chain nat_output {
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type nat hook output priority -100
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policy accept
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ip protocol tcp socket cgroupv2 level 2 @tcp_bypass accept
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ip protocol tcp socket cgroupv2 level 2 @tcp_enforce goto tcp_redirect
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ip protocol tcp jump tcp_pre_redirect
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}
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chain tcp_pre_redirect {
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ip protocol tcp ip daddr $tcp_host tcp dport != $tcp_server_port goto tcp_redirect
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ip protocol tcp ip daddr $tcp_host accept
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ip protocol tcp ip daddr != @chnroute goto tcp_redirect
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}
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chain tcp_redirect {
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ip protocol tcp redirect to :$tcp_local_port
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}
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# udp part
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chain mangle_prerouting {
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type filter hook prerouting priority mangle
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policy accept
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ip protocol udp iif lo meta mark 0xdeaf goto udp_tproxy
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ip protocol udp iifname $udp_proxy_ifnames ip daddr != @chnroute goto udp_forward_conditional_tproxy
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}
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chain mangle_output {
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type route hook output priority mangle
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policy accept
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ip protocol udp socket cgroupv2 level 2 @udp_bypass accept
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ip protocol udp socket cgroupv2 level 2 @udp_enforce goto udp_output_mark
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ip protocol udp ip daddr $udp_host udp dport != $udp_server_port goto udp_output_mark
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ip protocol udp ip daddr $udp_host accept
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ip protocol udp ip daddr != @chnroute goto udp_output_mark
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}
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chain udp_output_mark {
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ip protocol udp mark set 0xdeaf
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}
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chain udp_forward_conditional_tproxy {
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ip protocol udp ip daddr $udp_host udp dport != $udp_server_port meta mark set 0xdeaf goto udp_tproxy
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ip protocol udp ip daddr $udp_host accept
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ip protocol udp ip daddr != @chnroute meta mark set 0xdeaf goto udp_tproxy
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}
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chain udp_tproxy {
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ip protocol udp tproxy to 127.0.0.1:$udp_local_port
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}
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}
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add table ip6 output_deny
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delete table ip6 output_deny
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table ip6 output_deny {
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chain output {
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type filter hook output priority filter
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policy accept
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ip6 daddr != { ::/127, ::ffff:0:0/96, ::ffff:0:0:0/96, 64:ff9b::/96, 64:ff9b:1::/48, 100::/64, 2001:0000::/32, 2001:20::/28, 2001:db8::/32, fc00::/7, fe80::/64, ff00::/8 } reject
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}
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}
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