43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
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@def $bridge = br0;
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@def $internet = ens3;
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@def $search_domain = "eva.higgsboson.tk";
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@def $public_ipv4 = `ip a s ens3 | awk '$0 ~ "inet " { split($2,a,"/"); print a[1] }'`;
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@def $public_ipv6 = `ip a s ens3 | awk '$0 ~ "inet6 " && !($2 ~ /^fe80/) { split($2,a,"/"); print a[1] }'`;
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include "ferm.d/functions";
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include `find ferm.d/services/*`;
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domain (ip ip6) {
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table nat {
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chain PREROUTING policy ACCEPT;
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chain POSTROUTING policy ACCEPT;
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chain INPUT policy ACCEPT;
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chain OUTPUT policy ACCEPT;
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}
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table filter {
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chain FORWARD {
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interface $bridge protocol tcp dport smtp REJECT reject-with tcp-reset;
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# dn42 -> is filtered in dn42 container
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interface $bridge mod physdev physdev-out lxc_dn42 ACCEPT;
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interface $bridge outerface $internet ACCEPT;
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}
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chain (INPUT FORWARD) {
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policy DROP;
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interface lo ACCEPT;
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protocol icmp ACCEPT;
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mod conntrack ctstate (RELATED ESTABLISHED) ACCEPT;
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LOG log-prefix "iptables reject:";
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protocol tcp REJECT reject-with tcp-reset;
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REJECT reject-with icmp-port-unreachable;
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}
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chain OUTPUT policy ACCEPT;
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}
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}
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domain ip table nat {
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chain POSTROUTING outerface $internet MASQUERADE;
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}
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