debian-setup/templates/nftables.j2

72 lines
2.2 KiB
Django/Jinja

# {{ ansible_managed }}
# vim:set ts=2 sw=2 et:
flush ruleset
table ip filter {
chain input {
type filter hook input priority 0; policy drop;
# allow established/related connections
ct state { established, related } accept
# early drop of invalid connections
ct state invalid drop
# allow from loopback
iifname lo accept
# allow icmp
ip protocol icmp accept
iifname vmap {
{{ network_interface }} : goto wlan-chain,
{{ vpn_interface }} : goto vpn-chain,
{{ vpn_media_interface }} : goto media-vpn-chain
}
log
}
chain wlan-chain {
tcp dport {{ ssh_port }} accept comment "SSH"
tcp dport {{ forgejo_ssh_port }} accept comment "Forgejo SSH"
tcp dport { {{ http_port }}, {{ https_port }} } accept comment "HTTP/HTTPS"
udp dport {{ vpn_port }} accept comment "Wireguard"
udp dport {{ vpn_media_port }} accept comment "Wireguard media"
}
set vpn_set {
typeof ip saddr . ip daddr
flags interval
elements = { {{ vpn_subnet }} . {{ vpn_listen_address }}/{{ vpn_prefix }} }
}
chain vpn-chain {
meta l4proto { tcp, udp } th dport 53 ip saddr . ip daddr @vpn_set accept comment "DNS"
tcp dport { {{ http_port }}, {{ https_port }} } ip saddr . ip daddr @vpn_set accept comment "HTTP/HTTPS"
tcp dport { 80, 443 } ip saddr {{ vpn_subnet }} ip daddr {{ transmission_nginx_ip }} accept comment "Transmission Web"
tcp dport { {{ syncthing_gui_port }}, {{ syncthing_protocol_port }} } ip saddr . ip daddr @vpn_set accept comment "Syncthing"
tcp dport {{ mpd_port }} ip saddr . ip daddr @vpn_set accept comment "MPD"
tcp dport {{ mpd_http_stream_port }} ip saddr . ip daddr @vpn_set accept comment "MPD HTTP stream"
tcp dport {{ mpd_http_mobile_stream_port }} ip saddr . ip daddr @vpn_set accept comment "MPD HTTP mobile stream"
}
set vpn_media_set {
typeof ip saddr . ip daddr
flags interval
elements = { {{ vpn_media_subnet }} . {{ vpn_media_listen_address }}/{{ vpn_media_prefix }} }
}
chain media-vpn-chain {
meta l4proto { tcp, udp } th dport 53 ip saddr . ip daddr @vpn_media_set accept comment "DNS"
tcp dport {{ jellyfin_http_port }} ip saddr . ip daddr @vpn_media_set accept comment "Jellyfin HTTP"
}
}