52 lines
1.6 KiB
Plaintext
52 lines
1.6 KiB
Plaintext
#!/usr/sbin/nft -f
|
|
|
|
flush ruleset
|
|
|
|
table inet filter {
|
|
chain input {
|
|
type filter hook input priority 0
|
|
policy drop
|
|
|
|
ct state {established, related} counter accept
|
|
|
|
iif lo accept
|
|
|
|
# Allow ICMP (pings)
|
|
ip protocol icmp accept
|
|
meta l4proto icmpv6 accept
|
|
|
|
tcp dport {http, https, {{ ssh_port }}, 8443, 8448} accept
|
|
|
|
# Allow nebula
|
|
udp dport {{ nebula_listen_port }} accept;
|
|
|
|
# Allow Tailscale
|
|
udp dport {{ tailscale_port }} accept;
|
|
}
|
|
|
|
chain POSTROUTING {
|
|
type nat hook postrouting priority srcnat
|
|
policy accept
|
|
|
|
# NAT - because the proxmox machines may not have routes back
|
|
ip saddr {{ nebula.cidr }} ip daddr {{ pve_hosts.internal_cidr }} counter masquerade
|
|
ip saddr {{ tailscale_cidr }} ip daddr {{ pve_hosts.internal_cidr }} counter masquerade
|
|
}
|
|
|
|
chain FORWARD {
|
|
type filter hook forward priority mangle
|
|
policy drop
|
|
|
|
# Allow traffic from nebula to proxmox network
|
|
ip saddr {{ nebula.cidr }} ip daddr {{ pve_hosts.internal_cidr }} accept
|
|
ip saddr {{ pve_hosts.internal_cidr }} ip daddr {{ nebula.cidr }} ct state related,established accept
|
|
|
|
# Allow monitoring of nebula network
|
|
ip saddr {{ pve_hosts.forrest.ip }}/32 ip daddr {{ nebula.cidr }} accept
|
|
|
|
# Allow traffic from Tailscale to proxmox network
|
|
ip saddr {{ tailscale_cidr }} ip daddr {{ pve_hosts.internal_cidr }} accept
|
|
ip saddr {{ pve_hosts.internal_cidr }} ip daddr {{ tailscale_cidr }} ct state related,established accept
|
|
}
|
|
}
|