machine_setup/ansible/roles/firewall/files/homeserver_pf.conf

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ext_if = "{ igb0 igb1 ix0 ix1 wlan0 }"
not_ext_if = "{ !igb0 !igb1 !ix0 !ix1 !wlan0 }"
jail_nat_v4 = "{ 10.215.1.0/24 }"
not_jail_nat_v4 = "{ any, !10.215.1.0/24 }"
restricted_nat_v4 = "{ 10.215.2.0/24 }"
not_restricted_nat_v4 = "{ any, !10.215.2.0/24 }"
dhcp = "{ bootpc, bootps }"
allow = "{ wgh wgf }"
tcp_pass_in = "{ 22 }"
udp_pass_in = "{ 53 51820 }"
unifi_ports = "{ 8443 3478 10001 8080 1900 8843 8880 6789 5514 }"
# Rules must be in order: options, normalization, queueing, translation, filtering
# options
set skip on lo
# redirections
nat pass on $ext_if inet from $jail_nat_v4 to $not_jail_nat_v4 -> (wlan0)
rdr pass on $not_ext_if proto {tcp, udp} from any to 10.215.1.1 port 53 -> 1.1.1.1 port 53
# cloak
nat pass on $ext_if inet from 10.215.2.0/24 to !10.215.2.0/24 -> (wlan0)
rdr pass on $not_ext_if proto {tcp, udp} from any to 10.215.2.1 port 53 -> 1.1.1.1 port 53
rdr pass on $ext_if inet proto tcp from $not_restricted_nat_v4 to any port 8081 -> 10.215.2.2 port 8081
nat pass on restricted_nat proto {tcp, udp} from any to 10.215.2.2 port 8081 -> 10.215.2.1
# Forward ports for unifi controller
# rdr pass on $ext_if inet proto tcp from any to any port 65022 -> 10.213.177.8 port 22
rdr pass on $ext_if inet proto {udp, tcp} from any to any port $unifi_ports -> 10.215.1.202
# filtering
block log all
pass out on $ext_if
pass in on jail_nat
# Allow traffic from my machine to the jails/virtual machines
pass out on jail_nat from $jail_nat_v4
pass out on jail_nat proto {udp, tcp} from any to 10.215.1.202 port $unifi_ports
pass out on restricted_nat proto {udp, tcp} from any to 10.215.2.2 port 8081
pass in on restricted_nat proto {udp, tcp} from any to any port { 53 51820 }
# We pass on the interfaces listed in allow rather than skipping on
# them because changes to pass rules will update when running a
# `service pf reload` but interfaces that we `skip` will not update (I
# forget if its from adding, removing, or both. TODO: test to figure
# it out)
pass quick on $allow
pass on $ext_if proto icmp all
pass on $ext_if proto icmp6 all
pass in on $ext_if proto tcp to any port $tcp_pass_in
pass in on $ext_if proto udp to any port $udp_pass_in