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