quorate/services/oci-l4-relay-guest/image/etc/nftables.conf

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flush ruleset
table inet oci_l4_relay_web_allow {
counter web_allow_denied {}
chain ingress {
type filter hook prerouting priority raw - 20; policy accept;
fib daddr type local tcp dport { 80, 443, 465, 993 } counter name web_allow_denied drop
}
}
table inet oci_l4_relay_smtp_deny {
set denied_v4 {
type ipv4_addr
flags interval, timeout
}
counter smtp_denied {}
chain ingress {
type filter hook prerouting priority raw - 19; policy accept;
fib daddr type local tcp dport 25 ip saddr @denied_v4 counter name smtp_denied drop
}
}