siotp/sisr1/tp06-firewall/fw_part1.nft

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table ip ipfilter {
chain routing {
type filter hook forward priority filter; policy accept;
icmp type echo-request iif { "enp0s3", "enp0s9" } drop
icmp type echo-request iif { "enp0s3", "enp0s9" } drop
icmp type echo-request iif { "enp0s3", "enp0s9" } drop
icmp type { echo-reply, echo-request } accept
drop
}
chain system_in {
type filter hook forward priority filter; policy accept;
icmp type echo-request iif { "enp0s3", "enp0s9" } drop
}
}